140514769 has 2 divisors, whose sum is σ = 140514770. Its totient is φ = 140514768.

The previous prime is 140514757. The next prime is 140514791. The reversal of 140514769 is 967415041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110670400 + 29844369 = 10520^2 + 5463^2 .

It is a cyclic number.

It is not a de Polignac number, because 140514769 - 2²³ = 132126161 is a prime.

It is a super-2 number, since 2×140514769² = 39488800614246722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140514799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70257384 + 70257385.

It is an arithmetic number, because the mean of its divisors is an integer number (70257385).

Almost surely, 2^140514769 is an apocalyptic number.

It is an amenable number.

140514769 is a deficient number, since it is larger than the sum of its proper divisors (1).

140514769 is an equidigital number, since it uses as much as digits as its factorization.

140514769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 140514769 is about 11853.8925674227. The cubic root of 140514769 is about 519.8850448553.

The spelling of 140514769 in words is "one hundred forty million, five hundred fourteen thousand, seven hundred sixty-nine".