138264032 has 24 divisors (see below), whose sum is σ = 272482056. Its totient is φ = 69062272.

The previous prime is 138264031. The next prime is 138264037. The reversal of 138264032 is 230462831.

It is a junction number, because it is equal to n+sod(n) for n = 138263986 and 138264004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138264031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47318 + ... + 50154.

It is an arithmetic number, because the mean of its divisors is an integer number (11353419).

Almost surely, 2^138264032 is an apocalyptic number.

It is an amenable number.

138264032 is a deficient number, since it is larger than the sum of its proper divisors (134218024).

138264032 is a wasteful number, since it uses less digits than its factorization.

138264032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370 (or 4362 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 138264032 is about 11758.5727025009. The cubic root of 138264032 is about 517.0942864725.

The spelling of 138264032 in words is "one hundred thirty-eight million, two hundred sixty-four thousand, thirty-two".