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137071117 = 317432401
BaseRepresentation
bin10000010101110…
…00101000001101
3100112220221020001
420022320220031
5240042233432
621333524301
73253041151
oct1012705015
9315827201
10137071117
1170411617
1239aa3691
1322523191
14142c1061
15c0789e7
hex82b8a0d

137071117 has 4 divisors (see below), whose sum is σ = 137503836. Its totient is φ = 136638400.

The previous prime is 137071093. The next prime is 137071157. The reversal of 137071117 is 711170731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711170731 = 5211365011.

It can be written as a sum of positive squares in 2 ways, for example, as 53275401 + 83795716 = 7299^2 + 9154^2 .

It is a cyclic number.

It is not a de Polignac number, because 137071117 - 219 = 136546829 is a prime.

It is a super-2 number, since 2×1370711172 = 37576982231255378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137071157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215884 + ... + 216517.

It is an arithmetic number, because the mean of its divisors is an integer number (34375959).

Almost surely, 2137071117 is an apocalyptic number.

It is an amenable number.

137071117 is a deficient number, since it is larger than the sum of its proper divisors (432719).

137071117 is an equidigital number, since it uses as much as digits as its factorization.

137071117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432718.

The product of its (nonzero) digits is 1029, while the sum is 28.

The square root of 137071117 is about 11707.7374842452. The cubic root of 137071117 is about 515.6028595427.

The spelling of 137071117 in words is "one hundred thirty-seven million, seventy-one thousand, one hundred seventeen".

Divisors: 1 317 432401 137071117