140513369 has 2 divisors, whose sum is σ = 140513370. Its totient is φ = 140513368.

The previous prime is 140513339. The next prime is 140513411. The reversal of 140513369 is 963315041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139523344 + 990025 = 11812^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 140513369 - 2¹⁶ = 140447833 is a prime.

It is a super-2 number, since 2×140513369² = 39488013735460322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140513339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70256684 + 70256685.

It is an arithmetic number, because the mean of its divisors is an integer number (70256685).

Almost surely, 2^140513369 is an apocalyptic number.

It is an amenable number.

140513369 is a deficient number, since it is larger than the sum of its proper divisors (1).

140513369 is an equidigital number, since it uses as much as digits as its factorization.

140513369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 140513369 is about 11853.8335149436. The cubic root of 140513369 is about 519.8833182480.

The spelling of 140513369 in words is "one hundred forty million, five hundred thirteen thousand, three hundred sixty-nine".