138760424 has 32 divisors (see below), whose sum is σ = 284731200. Its totient is φ = 62872320.

The previous prime is 138760411. The next prime is 138760429. The reversal of 138760424 is 424067831.

It is not an unprimeable number, because it can be changed into a prime (138760429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27317 + ... + 31995.

It is an arithmetic number, because the mean of its divisors is an integer number (8897850).

Almost surely, 2^138760424 is an apocalyptic number.

It is an amenable number.

138760424 is an abundant number, since it is smaller than the sum of its proper divisors (145970776).

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

138760424 is a wasteful number, since it uses less digits than its factorization.

138760424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033 (or 5029 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 138760424 is about 11779.6614552372. The cubic root of 138760424 is about 517.7123669607.

The spelling of 138760424 in words is "one hundred thirty-eight million, seven hundred sixty thousand, four hundred twenty-four".