140818513 has 8 divisors (see below), whose sum is σ = 153910656. Its totient is φ = 127774800.

The previous prime is 140818501. The next prime is 140818529. The reversal of 140818513 is 315818041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140818513 - 2²⁵ = 107264081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140818583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5881 + ... + 17782.

It is an arithmetic number, because the mean of its divisors is an integer number (19238832).

Almost surely, 2^140818513 is an apocalyptic number.

It is an amenable number.

140818513 is a deficient number, since it is larger than the sum of its proper divisors (13092143).

140818513 is a wasteful number, since it uses less digits than its factorization.

140818513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24215.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 140818513 is about 11866.6976450907. The cubic root of 140818513 is about 520.2593787351.

The spelling of 140818513 in words is "one hundred forty million, eight hundred eighteen thousand, five hundred thirteen".