140037967 has 2 divisors, whose sum is σ = 140037968. Its totient is φ = 140037966.

The previous prime is 140037949. The next prime is 140037977. The reversal of 140037967 is 769730041.

It is a strong prime.

It is an emirp because it is prime and its reverse (769730041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140037967 is a prime.

It is a super-2 number, since 2×140037967² = 39221264402986178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140037907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70018983 + 70018984.

It is an arithmetic number, because the mean of its divisors is an integer number (70018984).

Almost surely, 2^140037967 is an apocalyptic number.

140037967 is a deficient number, since it is larger than the sum of its proper divisors (1).

140037967 is an equidigital number, since it uses as much as digits as its factorization.

140037967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 140037967 is about 11833.7638560181. The cubic root of 140037967 is about 519.2963448530.

The spelling of 140037967 in words is "one hundred forty million, thirty-seven thousand, nine hundred sixty-seven".