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137401957 = 7111784441
BaseRepresentation
bin10000011000010…
…01011001100101
3100120112202001101
420030021121211
5240133330312
621345000101
73255616540
oct1014113145
9316482041
10137401957
1170618140
123a023031
132260a944
1414369857
15c0e1a57
hex8309665

137401957 has 8 divisors (see below), whose sum is σ = 171306432. Its totient is φ = 107066400.

The previous prime is 137401949. The next prime is 137401961. The reversal of 137401957 is 759104731.

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

It is not a de Polignac number, because 137401957 - 23 = 137401949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137401967) 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 7 ways as a sum of consecutive naturals, for example, 892144 + ... + 892297.

It is an arithmetic number, because the mean of its divisors is an integer number (21413304).

Almost surely, 2137401957 is an apocalyptic number.

It is an amenable number.

137401957 is a deficient number, since it is larger than the sum of its proper divisors (33904475).

137401957 is a wasteful number, since it uses less digits than its factorization.

137401957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784459.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 137401957 is about 11721.8580864981. The cubic root of 137401957 is about 516.0173523900.

The spelling of 137401957 in words is "one hundred thirty-seven million, four hundred one thousand, nine hundred fifty-seven".

Divisors: 1 7 11 77 1784441 12491087 19628851 137401957