139046775 has 72 divisors (see below), whose sum is σ = 271232640. Its totient is φ = 61554240.

The previous prime is 139046773. The next prime is 139046783. The reversal of 139046775 is 577640931.

It is not a de Polignac number, because 139046775 - 2¹ = 139046773 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139046773) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2075292 + ... + 2075358.

It is an arithmetic number, because the mean of its divisors is an integer number (3767120).

Almost surely, 2^139046775 is an apocalyptic number.

139046775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139046775 is a deficient number, since it is larger than the sum of its proper divisors (132185865).

139046775 is an equidigital number, since it uses as much as digits as its factorization.

139046775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 139046775 is about 11791.8096575547. The cubic root of 139046775 is about 518.0682455564.

The spelling of 139046775 in words is "one hundred thirty-nine million, forty-six thousand, seven hundred seventy-five".