137421134650 has 24 divisors (see below), whose sum is σ = 255730222620. Its totient is φ = 54941160960.

The previous prime is 137421134629. The next prime is 137421134651. The reversal of 137421134650 is 56431124731.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 83118619809 + 54302514841 = 288303^2 + 233029^2 .

It is not an unprimeable number, because it can be changed into a prime (137421134651) 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, 580465 + ... + 782164.

Almost surely, 2^137421134650 is an apocalyptic number.

137421134650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137421134650 is a deficient number, since it is larger than the sum of its proper divisors (118309087970).

137421134650 is a wasteful number, since it uses less digits than its factorization.

137421134650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364658 (or 1364653 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 137421134650 in words is "one hundred thirty-seven billion, four hundred twenty-one million, one hundred thirty-four thousand, six hundred fifty".