138283692 has 12 divisors (see below), whose sum is σ = 322661976. Its totient is φ = 46094560.

The previous prime is 138283679. The next prime is 138283709. The reversal of 138283692 is 296382831.

138283692 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5761809 + ... + 5761832.

It is an arithmetic number, because the mean of its divisors is an integer number (26888498).

Almost surely, 2^138283692 is an apocalyptic number.

138283692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

138283692 is an abundant number, since it is smaller than the sum of its proper divisors (184378284).

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

138283692 is a wasteful number, since it uses less digits than its factorization.

138283692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11523648 (or 11523646 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 138283692 is about 11759.4086586018. The cubic root of 138283692 is about 517.1187941523.

The spelling of 138283692 in words is "one hundred thirty-eight million, two hundred eighty-three thousand, six hundred ninety-two".