2157135367 has 2 divisors, whose sum is σ = 2157135368. Its totient is φ = 2157135366.

The previous prime is 2157135349. The next prime is 2157135413. The reversal of 2157135367 is 7635317512.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2157135367 - 2²³ = 2148746759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2157135307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078567683 + 1078567684.

It is an arithmetic number, because the mean of its divisors is an integer number (1078567684).

Almost surely, 2^2157135367 is an apocalyptic number.

2157135367 is a deficient number, since it is larger than the sum of its proper divisors (1).

2157135367 is an equidigital number, since it uses as much as digits as its factorization.

2157135367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 40.

The square root of 2157135367 is about 46444.9713855009. The cubic root of 2157135367 is about 1292.0891107740.

The spelling of 2157135367 in words is "two billion, one hundred fifty-seven million, one hundred thirty-five thousand, three hundred sixty-seven".