140113969 has 2 divisors, whose sum is σ = 140113970. Its totient is φ = 140113968.

The previous prime is 140113943. The next prime is 140114021. The reversal of 140113969 is 969311041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134281744 + 5832225 = 11588^2 + 2415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140113969 is a prime.

It is a super-2 number, since 2×140113969² = 39263848617865922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140113469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70056984 + 70056985.

It is an arithmetic number, because the mean of its divisors is an integer number (70056985).

Almost surely, 2^140113969 is an apocalyptic number.

It is an amenable number.

140113969 is a deficient number, since it is larger than the sum of its proper divisors (1).

140113969 is an equidigital number, since it uses as much as digits as its factorization.

140113969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 140113969 is about 11836.9746557133. The cubic root of 140113969 is about 519.3902727684.

The spelling of 140113969 in words is "one hundred forty million, one hundred thirteen thousand, nine hundred sixty-nine".