138077654 has 16 divisors (see below), whose sum is σ = 243326160. Its totient is φ = 57934560.

The previous prime is 138077629. The next prime is 138077663. The reversal of 138077654 is 456770831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241109 + ... + 241680.

It is an arithmetic number, because the mean of its divisors is an integer number (15207885).

Almost surely, 2^138077654 is an apocalyptic number.

138077654 is a deficient number, since it is larger than the sum of its proper divisors (105248506).

138077654 is a wasteful number, since it uses less digits than its factorization.

138077654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482815.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 138077654 is about 11750.6448333698. The cubic root of 138077654 is about 516.8618366829.

The spelling of 138077654 in words is "one hundred thirty-eight million, seventy-seven thousand, six hundred fifty-four".