140751731 has 2 divisors, whose sum is σ = 140751732. Its totient is φ = 140751730.

The previous prime is 140751727. The next prime is 140751763. The reversal of 140751731 is 137157041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140751731 - 2² = 140751727 is a prime.

It is a super-2 number, since 2×140751731² = 39622099558992722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140751694 and 140751703.

It is not a weakly prime, because it can be changed into another prime (140751701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70375865 + 70375866.

It is an arithmetic number, because the mean of its divisors is an integer number (70375866).

Almost surely, 2^140751731 is an apocalyptic number.

140751731 is a deficient number, since it is larger than the sum of its proper divisors (1).

140751731 is an equidigital number, since it uses as much as digits as its factorization.

140751731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 140751731 is about 11863.8834704324. The cubic root of 140751731 is about 520.1771228468.

The spelling of 140751731 in words is "one hundred forty million, seven hundred fifty-one thousand, seven hundred thirty-one".