140337231 has 4 divisors (see below), whose sum is σ = 187116312. Its totient is φ = 93558152.

The previous prime is 140337229. The next prime is 140337233. The reversal of 140337231 is 132733041.

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

It is an interprime number because it is at equal distance from previous prime (140337229) and next prime (140337233).

It is a cyclic number.

It is not a de Polignac number, because 140337231 - 2¹ = 140337229 is a prime.

It is a super-2 number, since 2×140337231² = 39389076809494722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140337233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23389536 + ... + 23389541.

It is an arithmetic number, because the mean of its divisors is an integer number (46779078).

Almost surely, 2^140337231 is an apocalyptic number.

140337231 is a deficient number, since it is larger than the sum of its proper divisors (46779081).

140337231 is an equidigital number, since it uses as much as digits as its factorization.

140337231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46779080.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 140337231 is about 11846.4016055509. The cubic root of 140337231 is about 519.6659972967.

The spelling of 140337231 in words is "one hundred forty million, three hundred thirty-seven thousand, two hundred thirty-one".