140553913 has 2 divisors, whose sum is σ = 140553914. Its totient is φ = 140553912.

The previous prime is 140553901. The next prime is 140553929. The reversal of 140553913 is 319355041.

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., 99760144 + 40793769 = 9988^2 + 6387^2 .

It is a cyclic number.

It is not a de Polignac number, because 140553913 - 2²⁵ = 106999481 is a prime.

It is a super-2 number, since 2×140553913² = 39510804919223138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140553953) 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, 70276956 + 70276957.

It is an arithmetic number, because the mean of its divisors is an integer number (70276957).

Almost surely, 2^140553913 is an apocalyptic number.

It is an amenable number.

140553913 is a deficient number, since it is larger than the sum of its proper divisors (1).

140553913 is an equidigital number, since it uses as much as digits as its factorization.

140553913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 140553913 is about 11855.5435556536. The cubic root of 140553913 is about 519.9333161531.

The spelling of 140553913 in words is "one hundred forty million, five hundred fifty-three thousand, nine hundred thirteen".