140437760431 has 2 divisors, whose sum is σ = 140437760432. Its totient is φ = 140437760430.

The previous prime is 140437760383. The next prime is 140437760443. The reversal of 140437760431 is 134067734041.

It is a strong prime.

It is an emirp because it is prime and its reverse (134067734041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140437760431 - 2⁹ = 140437759919 is a prime.

It is a super-2 number, since 2×140437760431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140437760131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70218880215 + 70218880216.

It is an arithmetic number, because the mean of its divisors is an integer number (70218880216).

Almost surely, 2^140437760431 is an apocalyptic number.

140437760431 is a deficient number, since it is larger than the sum of its proper divisors (1).

140437760431 is an equidigital number, since it uses as much as digits as its factorization.

140437760431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 140437760431 in words is "one hundred forty billion, four hundred thirty-seven million, seven hundred sixty thousand, four hundred thirty-one".