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137912697 = 32131962039
BaseRepresentation
bin10000011100001…
…10000101111001
3100121111200122200
420032012011321
5240301201242
621403540413
73263144556
oct1016060571
9317450580
10137912697
117093693a
123a22a709
1322759260
141445da2d
15c19304c
hex8386179

137912697 has 24 divisors (see below), whose sum is σ = 225825600. Its totient is φ = 80401248.

The previous prime is 137912693. The next prime is 137912741. The reversal of 137912697 is 796219731.

It is not a de Polignac number, because 137912697 - 22 = 137912693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137912693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28797 + ... + 33242.

It is an arithmetic number, because the mean of its divisors is an integer number (9409400).

Almost surely, 2137912697 is an apocalyptic number.

It is an amenable number.

137912697 is a deficient number, since it is larger than the sum of its proper divisors (87912903).

137912697 is a wasteful number, since it uses less digits than its factorization.

137912697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62077 (or 62074 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 137912697 is about 11743.6236741476. The cubic root of 137912697 is about 516.6559285085.

The spelling of 137912697 in words is "one hundred thirty-seven million, nine hundred twelve thousand, six hundred ninety-seven".

Divisors: 1 3 9 13 19 39 57 117 171 247 741 2223 62039 186117 558351 806507 1178741 2419521 3536223 7258563 10608669 15323633 45970899 137912697