140834631 has 32 divisors (see below), whose sum is σ = 231436800. Its totient is φ = 74373120.

The previous prime is 140834627. The next prime is 140834641. The reversal of 140834631 is 136438041.

It is not a de Polignac number, because 140834631 - 2² = 140834627 is a prime.

It is a super-2 number, since 2×140834631² = 39668786577812322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140834641) 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, 12055 + ... + 20663.

It is an arithmetic number, because the mean of its divisors is an integer number (7232400).

Almost surely, 2^140834631 is an apocalyptic number.

140834631 is a deficient number, since it is larger than the sum of its proper divisors (90602169).

140834631 is a wasteful number, since it uses less digits than its factorization.

140834631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8679.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 140834631 is about 11867.3767530992. The cubic root of 140834631 is about 520.2792275002.

The spelling of 140834631 in words is "one hundred forty million, eight hundred thirty-four thousand, six hundred thirty-one".