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137440413 = 32111388287
BaseRepresentation
bin10000011000100…
…10110010011101
3100120121200210200
420030102302131
5240141043123
621345454113
73256136625
oct1014226235
9316550720
10137440413
1170644020
123a041339
13226222b6
1414379885
15c0ed143
hex8312c9d

137440413 has 12 divisors (see below), whose sum is σ = 216572928. Its totient is φ = 83297160.

The previous prime is 137440411. The next prime is 137440417. The reversal of 137440413 is 314044731.

It is not a de Polignac number, because 137440413 - 21 = 137440411 is a prime.

It is a super-2 number, since 2×1374404132 = 37779734251221138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137440411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694045 + ... + 694242.

It is an arithmetic number, because the mean of its divisors is an integer number (18047744).

Almost surely, 2137440413 is an apocalyptic number.

It is an amenable number.

137440413 is a deficient number, since it is larger than the sum of its proper divisors (79132515).

137440413 is a wasteful number, since it uses less digits than its factorization.

137440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388304 (or 1388301 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 137440413 is about 11723.4983260117. The cubic root of 137440413 is about 516.0654888036.

The spelling of 137440413 in words is "one hundred thirty-seven million, four hundred forty thousand, four hundred thirteen".

Divisors: 1 3 9 11 33 99 1388287 4164861 12494583 15271157 45813471 137440413