138630514 has 16 divisors (see below), whose sum is σ = 227131776. Its totient is φ = 62935600.

The previous prime is 138630509. The next prime is 138630521. The reversal of 138630514 is 415036831.

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, 16584 + ... + 23500.

It is an arithmetic number, because the mean of its divisors is an integer number (14195736).

Almost surely, 2^138630514 is an apocalyptic number.

138630514 is a deficient number, since it is larger than the sum of its proper divisors (88501262).

138630514 is a wasteful number, since it uses less digits than its factorization.

138630514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 138630514 is about 11774.1459987551. The cubic root of 138630514 is about 517.5507526441.

The spelling of 138630514 in words is "one hundred thirty-eight million, six hundred thirty thousand, five hundred fourteen".