739518138 has 12 divisors (see below), whose sum is σ = 1602289338. Its totient is φ = 246506040.

The previous prime is 739518137. The next prime is 739518151. The reversal of 739518138 is 831815937.

It can be written as a sum of positive squares in only one way, i.e., 727219089 + 12299049 = 26967^2 + 3507^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 739518093 and 739518102.

It is not an unprimeable number, because it can be changed into a prime (739518137) 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 5 ways as a sum of consecutive naturals, for example, 20542153 + ... + 20542188.

Almost surely, 2^739518138 is an apocalyptic number.

739518138 is an abundant number, since it is smaller than the sum of its proper divisors (862771200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

739518138 is a wasteful number, since it uses less digits than its factorization.

739518138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41084349 (or 41084346 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 739518138 is about 27194.0827754863. The cubic root of 739518138 is about 904.3077999100.

The spelling of 739518138 in words is "seven hundred thirty-nine million, five hundred eighteen thousand, one hundred thirty-eight".