1320101139 has 32 divisors (see below), whose sum is σ = 2061803520. Its totient is φ = 735744672.

The previous prime is 1320101131. The next prime is 1320101147. The reversal of 1320101139 is 9311010231.

1320101139 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1320101131) and next prime (1320101147).

It is not a de Polignac number, because 1320101139 - 2³ = 1320101131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1320101131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132904 + ... + 142490.

It is an arithmetic number, because the mean of its divisors is an integer number (64431360).

Almost surely, 2^1320101139 is an apocalyptic number.

1320101139 is a deficient number, since it is larger than the sum of its proper divisors (741702381).

1320101139 is an equidigital number, since it uses as much as digits as its factorization.

1320101139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9759.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1320101139 is about 36333.1961021873. The cubic root of 1320101139 is about 1096.9893263291.

The spelling of 1320101139 in words is "one billion, three hundred twenty million, one hundred one thousand, one hundred thirty-nine".