138619462 has 16 divisors (see below), whose sum is σ = 222817392. Its totient is φ = 64445440.

The previous prime is 138619451. The next prime is 138619471. The reversal of 138619462 is 264916831.

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, 21739 + ... + 27382.

It is an arithmetic number, because the mean of its divisors is an integer number (13926087).

Almost surely, 2^138619462 is an apocalyptic number.

138619462 is a deficient number, since it is larger than the sum of its proper divisors (84197930).

138619462 is a wasteful number, since it uses less digits than its factorization.

138619462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49223.

The product of its digits is 62208, while the sum is 40.

The square root of 138619462 is about 11773.6766559983. The cubic root of 138619462 is about 517.5369987627.

The spelling of 138619462 in words is "one hundred thirty-eight million, six hundred nineteen thousand, four hundred sixty-two".