91314933839154 has 48 divisors (see below), whose sum is σ = 203405560637760. Its totient is φ = 29585153849760.

The previous prime is 91314933839149. The next prime is 91314933839243. The reversal of 91314933839154 is 45193833941319.

91314933839154 is a `hidden beast` number, since 9 + 1 + 3 + 1 + 493 + 3 + 8 + 3 + 91 + 54 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 91314933839091 and 91314933839100.

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, 69955534 + ... + 71248905.

It is an arithmetic number, because the mean of its divisors is an integer number (4237615846620).

Almost surely, 2^{91314933839154} is an apocalyptic number.

91314933839154 is an abundant number, since it is smaller than the sum of its proper divisors (112090626798606).

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

91314933839154 is a wasteful number, since it uses less digits than its factorization.

91314933839154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141205455 (or 141205452 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 63.

The spelling of 91314933839154 in words is "ninety-one trillion, three hundred fourteen billion, nine hundred thirty-three million, eight hundred thirty-nine thousand, one hundred fifty-four".