690140313 has 24 divisors (see below), whose sum is σ = 1059772896. Its totient is φ = 431280000.

The previous prime is 690140309. The next prime is 690140329. The reversal of 690140313 is 313041096.

It is not a de Polignac number, because 690140313 - 2² = 690140309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690140303) 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 in 23 ways as a sum of consecutive naturals, for example, 29418 + ... + 47388.

It is an arithmetic number, because the mean of its divisors is an integer number (44157204).

Almost surely, 2^690140313 is an apocalyptic number.

It is an amenable number.

690140313 is a deficient number, since it is larger than the sum of its proper divisors (369632583).

690140313 is a wasteful number, since it uses less digits than its factorization.

690140313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18245 (or 18242 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 690140313 is about 26270.5217496722. The cubic root of 690140313 is about 883.7154859426.

The spelling of 690140313 in words is "six hundred ninety million, one hundred forty thousand, three hundred thirteen".