138255062 has 32 divisors (see below), whose sum is σ = 233950464. Its totient is φ = 60732000.

The previous prime is 138255049. The next prime is 138255079. The reversal of 138255062 is 260552831.

138255062 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138255062² = 38228924337247688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94823 + ... + 96269.

It is an arithmetic number, because the mean of its divisors is an integer number (7310952).

Almost surely, 2^138255062 is an apocalyptic number.

138255062 is a deficient number, since it is larger than the sum of its proper divisors (95695402).

138255062 is a wasteful number, since it uses less digits than its factorization.

138255062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 138255062 is about 11758.1912724704. The cubic root of 138255062 is about 517.0831039160.

The spelling of 138255062 in words is "one hundred thirty-eight million, two hundred fifty-five thousand, sixty-two".