138051692 has 6 divisors (see below), whose sum is σ = 241590468. Its totient is φ = 69025844.

The previous prime is 138051689. The next prime is 138051703. The reversal of 138051692 is 296150831.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17256458 + ... + 17256465.

It is an arithmetic number, because the mean of its divisors is an integer number (40265078).

Almost surely, 2^138051692 is an apocalyptic number.

It is an amenable number.

138051692 is a deficient number, since it is larger than the sum of its proper divisors (103538776).

138051692 is a wasteful number, since it uses less digits than its factorization.

138051692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34512927 (or 34512925 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 138051692 is about 11749.5400761051. The cubic root of 138051692 is about 516.8294404003.

The spelling of 138051692 in words is "one hundred thirty-eight million, fifty-one thousand, six hundred ninety-two".