139032249 has 8 divisors (see below), whose sum is σ = 186208512. Its totient is φ = 92272080.

The previous prime is 139032211. The next prime is 139032301. The reversal of 139032249 is 942230931.

139032249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-139032249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139032209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103242 + ... + 104579.

It is an arithmetic number, because the mean of its divisors is an integer number (23276064).

Almost surely, 2^139032249 is an apocalyptic number.

It is an amenable number.

139032249 is a deficient number, since it is larger than the sum of its proper divisors (47176263).

139032249 is a wasteful number, since it uses less digits than its factorization.

139032249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208047.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 139032249 is about 11791.1937054736. The cubic root of 139032249 is about 518.0502043339.

The spelling of 139032249 in words is "one hundred thirty-nine million, thirty-two thousand, two hundred forty-nine".