138395062 has 32 divisors (see below), whose sum is σ = 237650112. Its totient is φ = 59879424.

The previous prime is 138395057. The next prime is 138395083. The reversal of 138395062 is 260593831.

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, 155583 + ... + 156469.

It is an arithmetic number, because the mean of its divisors is an integer number (7426566).

Almost surely, 2^138395062 is an apocalyptic number.

138395062 is a deficient number, since it is larger than the sum of its proper divisors (99255050).

138395062 is a wasteful number, since it uses less digits than its factorization.

138395062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 138395062 is about 11764.1430627139. The cubic root of 138395062 is about 517.2575814653.

The spelling of 138395062 in words is "one hundred thirty-eight million, three hundred ninety-five thousand, sixty-two".