7101320139 has 20 divisors (see below), whose sum is σ = 10619187480. Its totient is φ = 4729285440.

The previous prime is 7101320131. The next prime is 7101320147. The reversal of 7101320139 is 9310231017.

It is an interprime number because it is at equal distance from previous prime (7101320131) and next prime (7101320147).

It is not a de Polignac number, because 7101320139 - 2³ = 7101320131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (7101320131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33507 + ... + 123795.

It is an arithmetic number, because the mean of its divisors is an integer number (530959374).

Almost surely, 2^7101320139 is an apocalyptic number.

7101320139 is a deficient number, since it is larger than the sum of its proper divisors (3517867341).

7101320139 is an equidigital number, since it uses as much as digits as its factorization.

7101320139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91272 (or 91263 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 7101320139 is about 84269.3309514203. The cubic root of 7101320139 is about 1922.1164576295.

The spelling of 7101320139 in words is "seven billion, one hundred one million, three hundred twenty thousand, one hundred thirty-nine".