139632093 has 10 divisors (see below), whose sum is σ = 208586334. Its totient is φ = 93088008.

The previous prime is 139632061. The next prime is 139632107. The reversal of 139632093 is 390236931.

It is a happy number.

139632093 is a `hidden beast` number, since 13 + 9 + 632 + 0 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85433049 + 54199044 = 9243^2 + 7362^2 .

It is not a de Polignac number, because 139632093 - 2⁵ = 139632061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139632023) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 861846 + ... + 862007.

Almost surely, 2^139632093 is an apocalyptic number.

It is an amenable number.

139632093 is a deficient number, since it is larger than the sum of its proper divisors (68954241).

139632093 is an equidigital number, since it uses as much as digits as its factorization.

139632093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723865 (or 1723856 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 139632093 is about 11816.6024304789. The cubic root of 139632093 is about 518.7941647597.

It can be divided in two parts, 1396 and 32093, that added together give a square (33489 = 183²).

The spelling of 139632093 in words is "one hundred thirty-nine million, six hundred thirty-two thousand, ninety-three".