138437514 has 12 divisors (see below), whose sum is σ = 299947986. Its totient is φ = 46145832.

The previous prime is 138437501. The next prime is 138437557. The reversal of 138437514 is 415734831.

It is a happy number.

138437514 is a `hidden beast` number, since 138 + 4 + 3 + 7 + 514 = 666.

It can be written as a sum of positive squares in only one way, i.e., 71115489 + 67322025 = 8433^2 + 8205^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3845469 + ... + 3845504.

Almost surely, 2^138437514 is an apocalyptic number.

138437514 is an abundant number, since it is smaller than the sum of its proper divisors (161510472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138437514 is a wasteful number, since it uses less digits than its factorization.

138437514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7690981 (or 7690978 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 138437514 is about 11765.9472206873. The cubic root of 138437514 is about 517.3104647924.

The spelling of 138437514 in words is "one hundred thirty-eight million, four hundred thirty-seven thousand, five hundred fourteen".