693338139 has 48 divisors (see below), whose sum is σ = 1154127520. Its totient is φ = 397509120.

The previous prime is 693338123. The next prime is 693338141. The reversal of 693338139 is 931833396.

It is not a de Polignac number, because 693338139 - 2⁴ = 693338123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 693338094 and 693338103.

It is not an unprimeable number, because it can be changed into a prime (693338179) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133047 + ... + 138159.

Almost surely, 2^693338139 is an apocalyptic number.

693338139 is a deficient number, since it is larger than the sum of its proper divisors (460789381).

693338139 is a wasteful number, since it uses less digits than its factorization.

693338139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5212 (or 5209 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 693338139 is about 26331.3147981638. The cubic root of 693338139 is about 885.0783077314.

The spelling of 693338139 in words is "six hundred ninety-three million, three hundred thirty-eight thousand, one hundred thirty-nine".