207139036 has 12 divisors (see below), whose sum is σ = 390377512. Its totient is φ = 95602608.

The previous prime is 207139019. The next prime is 207139043. The reversal of 207139036 is 630931702.

207139036 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 207138989 and 207139007.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1991670 + ... + 1991773.

Almost surely, 2^207139036 is an apocalyptic number.

207139036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

207139036 is a deficient number, since it is larger than the sum of its proper divisors (183238476).

207139036 is a wasteful number, since it uses less digits than its factorization.

207139036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983460 (or 3983458 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 207139036 is about 14392.3255938712. The cubic root of 207139036 is about 591.6805823437.

The spelling of 207139036 in words is "two hundred seven million, one hundred thirty-nine thousand, thirty-six".