151734859956 has 72 divisors (see below), whose sum is σ = 398105553664. Its totient is φ = 50534046720.

The previous prime is 151734859919. The next prime is 151734859967. The reversal of 151734859956 is 659958437151.

151734859956 is a `hidden beast` number, since 1 + 5 + 1 + 7 + 34 + 8 + 599 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 151734859893 and 151734859902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1053021 + ... + 1188411.

Almost surely, 2^151734859956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151734859956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199052776832).

151734859956 is an abundant number, since it is smaller than the sum of its proper divisors (246370693708).

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

151734859956 is a wasteful number, since it uses less digits than its factorization.

151734859956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136563 (or 136549 counting only the distinct ones).

The product of its digits is 40824000, while the sum is 63.

The spelling of 151734859956 in words is "one hundred fifty-one billion, seven hundred thirty-four million, eight hundred fifty-nine thousand, nine hundred fifty-six".