138462501 has 24 divisors (see below), whose sum is σ = 202914720. Its totient is φ = 83867392.

The previous prime is 138462479. The next prime is 138462563. The reversal of 138462501 is 105264831.

It is not a de Polignac number, because 138462501 - 2⁹ = 138461989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138462901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22390 + ... + 27896.

It is an arithmetic number, because the mean of its divisors is an integer number (8454780).

Almost surely, 2^138462501 is an apocalyptic number.

It is an amenable number.

138462501 is a deficient number, since it is larger than the sum of its proper divisors (64452219).

138462501 is a wasteful number, since it uses less digits than its factorization.

138462501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573 (or 5556 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 138462501 is about 11767.0090082399. The cubic root of 138462501 is about 517.3415865565.

The spelling of 138462501 in words is "one hundred thirty-eight million, four hundred sixty-two thousand, five hundred one".