139945482 has 40 divisors (see below), whose sum is σ = 316663776. Its totient is φ = 46190088.

The previous prime is 139945459. The next prime is 139945483. The reversal of 139945482 is 284549931.

139945482 is a `hidden beast` number, since 13 + 9 + 94 + 548 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (139945483) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12493 + ... + 20879.

Almost surely, 2^139945482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139945482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158331888).

139945482 is an abundant number, since it is smaller than the sum of its proper divisors (176718294).

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

139945482 is a wasteful number, since it uses less digits than its factorization.

139945482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504 (or 8495 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 139945482 is about 11829.8555358888. The cubic root of 139945482 is about 519.1820003882.

The spelling of 139945482 in words is "one hundred thirty-nine million, nine hundred forty-five thousand, four hundred eighty-two".