140446131 has 32 divisors (see below), whose sum is σ = 219345408. Its totient is φ = 78274560.

The previous prime is 140446123. The next prime is 140446139. The reversal of 140446131 is 131644041.

140446131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140446123) and next prime (140446139).

It is not a de Polignac number, because 140446131 - 2³ = 140446123 is a prime.

It is a super-2 number, since 2×140446131² = 39450231425738322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140446139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285796 + ... + 286286.

It is an arithmetic number, because the mean of its divisors is an integer number (6854544).

Almost surely, 2^140446131 is an apocalyptic number.

140446131 is a deficient number, since it is larger than the sum of its proper divisors (78899277).

140446131 is a wasteful number, since it uses less digits than its factorization.

140446131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 140446131 is about 11850.9970466624. The cubic root of 140446131 is about 519.8003807265.

The spelling of 140446131 in words is "one hundred forty million, four hundred forty-six thousand, one hundred thirty-one".