139789332 has 18 divisors (see below), whose sum is σ = 353356458. Its totient is φ = 46596432.

The previous prime is 139789313. The next prime is 139789337. The reversal of 139789332 is 233987931.

It can be written as a sum of positive squares in only one way, i.e., 128051856 + 11737476 = 11316^2 + 3426^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139789337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1941483 + ... + 1941554.

Almost surely, 2^139789332 is an apocalyptic number.

139789332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139789332 is an abundant number, since it is smaller than the sum of its proper divisors (213567126).

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

139789332 is a wasteful number, since it uses less digits than its factorization.

139789332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883047 (or 3883042 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 139789332 is about 11823.2538668507. The cubic root of 139789332 is about 518.9888288774.

The spelling of 139789332 in words is "one hundred thirty-nine million, seven hundred eighty-nine thousand, three hundred thirty-two".