140505274236231 has 24 divisors (see below), whose sum is σ = 214891747340400. Its totient is φ = 88159627282176.

The previous prime is 140505274236199. The next prime is 140505274236233. The reversal of 140505274236231 is 132632472505041.

140505274236231 is a `hidden beast` number, since 1 + 4 + 0 + 50 + 527 + 42 + 3 + 6 + 2 + 31 = 666.

It is not a de Polignac number, because 140505274236231 - 2⁵ = 140505274236199 is a prime.

It is a super-2 number, since 2×140505274236231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140505274236233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22754545 + ... + 28262693.

It is an arithmetic number, because the mean of its divisors is an integer number (8953822805850).

Almost surely, 2^{140505274236231} is an apocalyptic number.

140505274236231 is a deficient number, since it is larger than the sum of its proper divisors (74386473104169).

140505274236231 is a wasteful number, since it uses less digits than its factorization.

140505274236231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5674895 (or 5674892 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 140505274236231 in words is "one hundred forty trillion, five hundred five billion, two hundred seventy-four million, two hundred thirty-six thousand, two hundred thirty-one".