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137148479 = 1319555257
BaseRepresentation
bin10000010110010…
…11100000111111
3100120001212100022
420023023200333
5240102222404
621335322355
73253512536
oct1013134077
9316055308
10137148479
1170464756
1239b203bb
132254c460
141430131d
15c0918be
hex82cb83f

137148479 has 8 divisors (see below), whose sum is σ = 155472240. Its totient is φ = 119935296.

The previous prime is 137148467. The next prime is 137148527. The reversal of 137148479 is 974841731.

137148479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 137148479 - 24 = 137148463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137148409) 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, 277382 + ... + 277875.

It is an arithmetic number, because the mean of its divisors is an integer number (19434030).

Almost surely, 2137148479 is an apocalyptic number.

137148479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

137148479 is a deficient number, since it is larger than the sum of its proper divisors (18323761).

137148479 is a wasteful number, since it uses less digits than its factorization.

137148479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555289.

The product of its digits is 169344, while the sum is 44.

The square root of 137148479 is about 11711.0409016449. The cubic root of 137148479 is about 515.6998422076.

The spelling of 137148479 in words is "one hundred thirty-seven million, one hundred forty-eight thousand, four hundred seventy-nine".

Divisors: 1 13 19 247 555257 7218341 10549883 137148479