91400423141131 has 4 divisors (see below), whose sum is σ = 98431224921232. Its totient is φ = 84369621361032.

The previous prime is 91400423141089. The next prime is 91400423141143. The reversal of 91400423141131 is 13114132400419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91400423141131 - 2¹¹ = 91400423139083 is a prime.

It is a super-2 number, since 2×91400423141131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91400423141161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3515400890031 + ... + 3515400890056.

It is an arithmetic number, because the mean of its divisors is an integer number (24607806230308).

Almost surely, 2^{91400423141131} is an apocalyptic number.

91400423141131 is a deficient number, since it is larger than the sum of its proper divisors (7030801780101).

91400423141131 is a wasteful number, since it uses less digits than its factorization.

91400423141131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030801780100.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 91400423141131 in words is "ninety-one trillion, four hundred billion, four hundred twenty-three million, one hundred forty-one thousand, one hundred thirty-one".