139782375 has 64 divisors (see below), whose sum is σ = 262080000. Its totient is φ = 73504800.

The previous prime is 139782341. The next prime is 139782403. The reversal of 139782375 is 573287931.

It is a happy number.

139782375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139782375 - 2⁶ = 139782311 is a prime.

It is a super-2 number, since 2×139782375² = 39078224721281250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 139782375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 279876 + ... + 280374.

It is an arithmetic number, because the mean of its divisors is an integer number (4095000).

Almost surely, 2^139782375 is an apocalyptic number.

139782375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139782375 is a deficient number, since it is larger than the sum of its proper divisors (122297625).

139782375 is an equidigital number, since it uses as much as digits as its factorization.

139782375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 590 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 139782375 is about 11822.9596548411. The cubic root of 139782375 is about 518.9802190997.

The spelling of 139782375 in words is "one hundred thirty-nine million, seven hundred eighty-two thousand, three hundred seventy-five".