151838674938 has 12 divisors (see below), whose sum is σ = 328983795738. Its totient is φ = 50612891640.

The previous prime is 151838674931. The next prime is 151838674961. The reversal of 151838674938 is 839476838151.

151838674938 is a `hidden beast` number, since 1 + 5 + 1 + 83 + 8 + 67 + 493 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 151023172689 + 815502249 = 388617^2 + 28557^2 .

It is not an unprimeable number, because it can be changed into a prime (151838674931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4217740953 + ... + 4217740988.

Almost surely, 2^151838674938 is an apocalyptic number.

151838674938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

151838674938 is an abundant number, since it is smaller than the sum of its proper divisors (177145120800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151838674938 is a wasteful number, since it uses less digits than its factorization.

151838674938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435481949 (or 8435481946 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 151838674938 in words is "one hundred fifty-one billion, eight hundred thirty-eight million, six hundred seventy-four thousand, nine hundred thirty-eight".