139047652 has 6 divisors (see below), whose sum is σ = 243333398. Its totient is φ = 69523824.

The previous prime is 139047619. The next prime is 139047653. The reversal of 139047652 is 256740931.

It can be written as a sum of positive squares in only one way, i.e., 138156516 + 891136 = 11754^2 + 944^2 .

It is not an unprimeable number, because it can be changed into a prime (139047653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17380953 + ... + 17380960.

Almost surely, 2^139047652 is an apocalyptic number.

It is an amenable number.

139047652 is a deficient number, since it is larger than the sum of its proper divisors (104285746).

139047652 is a wasteful number, since it uses less digits than its factorization.

139047652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34761917 (or 34761915 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 139047652 is about 11791.8468443243. The cubic root of 139047652 is about 518.0693347459.

The spelling of 139047652 in words is "one hundred thirty-nine million, forty-seven thousand, six hundred fifty-two".