138049712 has 10 divisors (see below), whose sum is σ = 267471348. Its totient is φ = 69024848.

The previous prime is 138049697. The next prime is 138049739. The reversal of 138049712 is 217940831.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4314038 + ... + 4314069.

Almost surely, 2^138049712 is an apocalyptic number.

It is an amenable number.

138049712 is a deficient number, since it is larger than the sum of its proper divisors (129421636).

138049712 is an equidigital number, since it uses as much as digits as its factorization.

138049712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8628115 (or 8628109 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 138049712 is about 11749.4558171857. The cubic root of 138049712 is about 516.8269695211.

The spelling of 138049712 in words is "one hundred thirty-eight million, forty-nine thousand, seven hundred twelve".