351789137856 has 140 divisors (see below), whose sum is σ = 1123029826072. Its totient is φ = 108242790912.

The previous prime is 351789137837. The next prime is 351789137879. The reversal of 351789137856 is 658731987153.

351789137856 is a `hidden beast` number, since 3 + 5 + 178 + 91 + 378 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 351789137793 and 351789137802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2542630 + ... + 2677413.

Almost surely, 2^351789137856 is an apocalyptic number.

351789137856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

351789137856 is an abundant number, since it is smaller than the sum of its proper divisors (771240688216).

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

351789137856 is a wasteful number, since it uses less digits than its factorization.

351789137856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220080 (or 5220061 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 63.

The spelling of 351789137856 in words is "three hundred fifty-one billion, seven hundred eighty-nine million, one hundred thirty-seven thousand, eight hundred fifty-six".