139268484 has 60 divisors (see below), whose sum is σ = 365297548. Its totient is φ = 46267200.

The previous prime is 139268453. The next prime is 139268509. The reversal of 139268484 is 484862931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28387584 + 110880900 = 5328^2 + 10530^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 135894 + ... + 136914.

Almost surely, 2^139268484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139268484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182648774).

139268484 is an abundant number, since it is smaller than the sum of its proper divisors (226029064).

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

139268484 is a wasteful number, since it uses less digits than its factorization.

139268484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458 (or 1447 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 139268484 is about 11801.2068874332. The cubic root of 139268484 is about 518.3434512648.

The spelling of 139268484 in words is "one hundred thirty-nine million, two hundred sixty-eight thousand, four hundred eighty-four".