138301494 has 32 divisors (see below), whose sum is σ = 308292480. Its totient is φ = 41104512.

The previous prime is 138301483. The next prime is 138301529. The reversal of 138301494 is 494103831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33744 + ... + 37619.

It is an arithmetic number, because the mean of its divisors is an integer number (9634140).

Almost surely, 2^138301494 is an apocalyptic number.

138301494 is an abundant number, since it is smaller than the sum of its proper divisors (169990986).

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

138301494 is a wasteful number, since it uses less digits than its factorization.

138301494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71404.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 138301494 is about 11760.1655600591. The cubic root of 138301494 is about 517.1409836904.

The spelling of 138301494 in words is "one hundred thirty-eight million, three hundred one thousand, four hundred ninety-four".