140564005231 has 8 divisors (see below), whose sum is σ = 151379711280. Its totient is φ = 129748740672.

The previous prime is 140564005229. The next prime is 140564005243. The reversal of 140564005231 is 132500465041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140564005231 - 2¹ = 140564005229 is a prime.

It is a super-2 number, since 2×140564005231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140564005193 and 140564005202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140564005291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880251 + ... + 1027603.

It is an arithmetic number, because the mean of its divisors is an integer number (18922463910).

Almost surely, 2^140564005231 is an apocalyptic number.

140564005231 is a deficient number, since it is larger than the sum of its proper divisors (10815706049).

140564005231 is a wasteful number, since it uses less digits than its factorization.

140564005231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220745.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 140564005231 in words is "one hundred forty billion, five hundred sixty-four million, five thousand, two hundred thirty-one".