152135779 has 2 divisors, whose sum is σ = 152135780. Its totient is φ = 152135778.

The previous prime is 152135773. The next prime is 152135803. The reversal of 152135779 is 977531251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152135779 - 2⁷ = 152135651 is a prime.

It is not a weakly prime, because it can be changed into another prime (152135773) 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, 76067889 + 76067890.

It is an arithmetic number, because the mean of its divisors is an integer number (76067890).

Almost surely, 2^152135779 is an apocalyptic number.

152135779 is a deficient number, since it is larger than the sum of its proper divisors (1).

152135779 is an equidigital number, since it uses as much as digits as its factorization.

152135779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66150, while the sum is 40.

The square root of 152135779 is about 12334.3333423416. Note that the first 4 decimals coincide. The cubic root of 152135779 is about 533.8391916208.

The spelling of 152135779 in words is "one hundred fifty-two million, one hundred thirty-five thousand, seven hundred seventy-nine".