140555555531 has 2 divisors, whose sum is σ = 140555555532. Its totient is φ = 140555555530.

The previous prime is 140555555519. The next prime is 140555555629. The reversal of 140555555531 is 135555555041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140555555531 - 2¹⁰ = 140555554507 is a prime.

It is a super-2 number, since 2×140555555531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140555555731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70277777765 + 70277777766.

It is an arithmetic number, because the mean of its divisors is an integer number (70277777766).

Almost surely, 2^140555555531 is an apocalyptic number.

140555555531 is a deficient number, since it is larger than the sum of its proper divisors (1).

140555555531 is an equidigital number, since it uses as much as digits as its factorization.

140555555531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 937500, while the sum is 44.

The spelling of 140555555531 in words is "one hundred forty billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred thirty-one".