138099932 has 12 divisors (see below), whose sum is σ = 243026280. Its totient is φ = 68663856.

The previous prime is 138099911. The next prime is 138099953. The reversal of 138099932 is 239990831.

It is an interprime number because it is at equal distance from previous prime (138099911) and next prime (138099953).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95723 + ... + 97154.

It is an arithmetic number, because the mean of its divisors is an integer number (20252190).

Almost surely, 2^138099932 is an apocalyptic number.

It is an amenable number.

138099932 is a deficient number, since it is larger than the sum of its proper divisors (104926348).

138099932 is a wasteful number, since it uses less digits than its factorization.

138099932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193060 (or 193058 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 138099932 is about 11751.5927431136. The cubic root of 138099932 is about 516.8896327056.

The spelling of 138099932 in words is "one hundred thirty-eight million, ninety-nine thousand, nine hundred thirty-two".