1320134277 has 32 divisors (see below), whose sum is σ = 2248049664. Its totient is φ = 669052800.

The previous prime is 1320134273. The next prime is 1320134323. The reversal of 1320134277 is 7724310231.

It is not a de Polignac number, because 1320134277 - 2² = 1320134273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320134273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60223 + ... + 79164.

It is an arithmetic number, because the mean of its divisors is an integer number (70251552).

Almost surely, 2^1320134277 is an apocalyptic number.

It is an amenable number.

1320134277 is a deficient number, since it is larger than the sum of its proper divisors (927915387).

1320134277 is a wasteful number, since it uses less digits than its factorization.

1320134277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139449.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 1320134277 is about 36333.6521285708. The cubic root of 1320134277 is about 1096.9985053551.

The spelling of 1320134277 in words is "one billion, three hundred twenty million, one hundred thirty-four thousand, two hundred seventy-seven".