138174376 has 8 divisors (see below), whose sum is σ = 259076970. Its totient is φ = 69087184.

The previous prime is 138174373. The next prime is 138174383. The reversal of 138174376 is 673471831.

138174376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 130188100 + 7986276 = 11410^2 + 2826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (138174371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8635891 + ... + 8635906.

Almost surely, 2^138174376 is an apocalyptic number.

It is an amenable number.

138174376 is a deficient number, since it is larger than the sum of its proper divisors (120902594).

138174376 is a wasteful number, since it uses less digits than its factorization.

138174376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17271803 (or 17271799 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 138174376 is about 11754.7597168126. The cubic root of 138174376 is about 516.9824940105.

It can be divided in two parts, 1381 and 74376, that added together give a palindrome (75757).

The spelling of 138174376 in words is "one hundred thirty-eight million, one hundred seventy-four thousand, three hundred seventy-six".