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137408855 = 5191446409
BaseRepresentation
bin10000011000010…
…11000101010111
3100120120002111212
420030023011113
5240134040410
621345052035
73255645623
oct1014130527
9316502455
10137408855
1170622341
123a02701b
1322610b1c
141436c183
15c0e3b05
hex830b157

137408855 has 8 divisors (see below), whose sum is σ = 173569200. Its totient is φ = 104141376.

The previous prime is 137408851. The next prime is 137408857. The reversal of 137408855 is 558804731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137408855 - 22 = 137408851 is a prime.

It is a super-2 number, since 2×1374088552 = 37762386864822050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137408851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723110 + ... + 723299.

It is an arithmetic number, because the mean of its divisors is an integer number (21696150).

Almost surely, 2137408855 is an apocalyptic number.

137408855 is a deficient number, since it is larger than the sum of its proper divisors (36160345).

137408855 is a wasteful number, since it uses less digits than its factorization.

137408855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446433.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 137408855 is about 11722.1523194335. The cubic root of 137408855 is about 516.0259874639.

The spelling of 137408855 in words is "one hundred thirty-seven million, four hundred eight thousand, eight hundred fifty-five".

Divisors: 1 5 19 95 1446409 7232045 27481771 137408855