789602138 has 12 divisors (see below), whose sum is σ = 1282519998. Its totient is φ = 364431600.

The previous prime is 789602119. The next prime is 789602153. The reversal of 789602138 is 831206987.

It can be written as a sum of positive squares in 3 ways, for example, as 316235089 + 473367049 = 17783^2 + 21757^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1167713 + ... + 1168388.

Almost surely, 2^789602138 is an apocalyptic number.

789602138 is a deficient number, since it is larger than the sum of its proper divisors (492917860).

789602138 is a wasteful number, since it uses less digits than its factorization.

789602138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336129 (or 2336116 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 789602138 is about 28099.8601064133. The cubic root of 789602138 is about 924.2783318792.

The spelling of 789602138 in words is "seven hundred eighty-nine million, six hundred two thousand, one hundred thirty-eight".