139170075 has 48 divisors (see below), whose sum is σ = 265804416. Its totient is φ = 63500800.

The previous prime is 139170037. The next prime is 139170089. The reversal of 139170075 is 570071931.

It is not a de Polignac number, because 139170075 - 2¹⁵ = 139137307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9064 + ... + 18986.

It is an arithmetic number, because the mean of its divisors is an integer number (5537592).

Almost surely, 2^139170075 is an apocalyptic number.

139170075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139170075 is a deficient number, since it is larger than the sum of its proper divisors (126634341).

139170075 is a wasteful number, since it uses less digits than its factorization.

139170075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9964 (or 9959 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 139170075 is about 11797.0367041897. The cubic root of 139170075 is about 518.2213329921.

The spelling of 139170075 in words is "one hundred thirty-nine million, one hundred seventy thousand, seventy-five".