1320142090 has 16 divisors (see below), whose sum is σ = 2380233600. Its totient is φ = 527172880.

The previous prime is 1320142069. The next prime is 1320142093. The reversal of 1320142090 is 902410231.

It is not an unprimeable number, because it can be changed into a prime (1320142093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104206 + ... + 116185.

It is an arithmetic number, because the mean of its divisors is an integer number (148764600).

Almost surely, 2^1320142090 is an apocalyptic number.

1320142090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320142090 is a deficient number, since it is larger than the sum of its proper divisors (1060091510).

1320142090 is a wasteful number, since it uses less digits than its factorization.

1320142090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220997.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1320142090 is about 36333.7596458170. The cubic root of 1320142090 is about 1097.0006694866. Note that the first 3 decimals are identical.

The spelling of 1320142090 in words is "one billion, three hundred twenty million, one hundred forty-two thousand, ninety".