140469900731 has 2 divisors, whose sum is σ = 140469900732. Its totient is φ = 140469900730.

The previous prime is 140469900709. The next prime is 140469900737. The reversal of 140469900731 is 137009964041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140469900731 is a prime.

It is a super-2 number, since 2×140469900731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140469900737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70234950365 + 70234950366.

It is an arithmetic number, because the mean of its divisors is an integer number (70234950366).

Almost surely, 2^140469900731 is an apocalyptic number.

140469900731 is a deficient number, since it is larger than the sum of its proper divisors (1).

140469900731 is an equidigital number, since it uses as much as digits as its factorization.

140469900731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 140469900731 in words is "one hundred forty billion, four hundred sixty-nine million, nine hundred thousand, seven hundred thirty-one".