140055313 has 4 divisors (see below), whose sum is σ = 140079088. Its totient is φ = 140031540.

The previous prime is 140055301. The next prime is 140055319. The reversal of 140055313 is 313550041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 313550041 = 7 ⋅44792863.

It is a cyclic number.

It is not a de Polignac number, because 140055313 - 2²⁵ = 106500881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140055319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4270 + ... + 17272.

It is an arithmetic number, because the mean of its divisors is an integer number (35019772).

Almost surely, 2^140055313 is an apocalyptic number.

It is an amenable number.

140055313 is a deficient number, since it is larger than the sum of its proper divisors (23775).

140055313 is a wasteful number, since it uses less digits than its factorization.

140055313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23774.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 140055313 is about 11834.4967362368. The cubic root of 140055313 is about 519.3177850921.

The spelling of 140055313 in words is "one hundred forty million, fifty-five thousand, three hundred thirteen".