139124480 has 144 divisors (see below), whose sum is σ = 373953888. Its totient is φ = 49152000.

The previous prime is 139124473. The next prime is 139124501. The reversal of 139124480 is 84421931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577160 + ... + 577400.

It is an arithmetic number, because the mean of its divisors is an integer number (2596902).

Almost surely, 2^139124480 is an apocalyptic number.

139124480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139124480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186976944).

139124480 is an abundant number, since it is smaller than the sum of its proper divisors (234829408).

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

139124480 is a wasteful number, since it uses less digits than its factorization.

139124480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 139124480 is about 11795.1040690619. The cubic root of 139124480 is about 518.1647334621.

The spelling of 139124480 in words is "one hundred thirty-nine million, one hundred twenty-four thousand, four hundred eighty".