139651484 has 24 divisors (see below), whose sum is σ = 282672768. Its totient is φ = 59128560.

The previous prime is 139651483. The next prime is 139651507. The reversal of 139651484 is 484156931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139651483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27722 + ... + 32369.

It is an arithmetic number, because the mean of its divisors is an integer number (11778032).

Almost surely, 2^139651484 is an apocalyptic number.

139651484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139651484 is an abundant number, since it is smaller than the sum of its proper divisors (143021284).

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

139651484 is a wasteful number, since it uses less digits than its factorization.

139651484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60185 (or 60183 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 139651484 is about 11817.4229001081. The cubic root of 139651484 is about 518.8181789907.

The spelling of 139651484 in words is "one hundred thirty-nine million, six hundred fifty-one thousand, four hundred eighty-four".