139966352 has 20 divisors (see below), whose sum is σ = 271672716. Its totient is φ = 69857280.

The previous prime is 139966327. The next prime is 139966357. The reversal of 139966352 is 253669931.

139966352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118026496 + 21939856 = 10864^2 + 4684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139966357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652 + ... + 16812.

Almost surely, 2^139966352 is an apocalyptic number.

It is an amenable number.

139966352 is a deficient number, since it is larger than the sum of its proper divisors (131706364).

139966352 is a wasteful number, since it uses less digits than its factorization.

139966352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15746 (or 15740 counting only the distinct ones).

The product of its digits is 262440, while the sum is 44.

The square root of 139966352 is about 11830.7375932357. The cubic root of 139966352 is about 519.2078075564.

The spelling of 139966352 in words is "one hundred thirty-nine million, nine hundred sixty-six thousand, three hundred fifty-two".