139752485 has 8 divisors (see below), whose sum is σ = 174994560. Its totient is φ = 106940944.

The previous prime is 139752469. The next prime is 139752491. The reversal of 139752485 is 584257931.

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

It is a cyclic number.

It is not a de Polignac number, because 139752485 - 2⁴ = 139752469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607505 + ... + 607734.

It is an arithmetic number, because the mean of its divisors is an integer number (21874320).

Almost surely, 2^139752485 is an apocalyptic number.

It is an amenable number.

139752485 is a deficient number, since it is larger than the sum of its proper divisors (35242075).

139752485 is a wasteful number, since it uses less digits than its factorization.

139752485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215267.

The product of its digits is 302400, while the sum is 44.

The square root of 139752485 is about 11821.6955213709. The cubic root of 139752485 is about 518.9432248684.

The spelling of 139752485 in words is "one hundred thirty-nine million, seven hundred fifty-two thousand, four hundred eighty-five".