152109091 has 2 divisors, whose sum is σ = 152109092. Its totient is φ = 152109090.

The previous prime is 152109011. The next prime is 152109107. The reversal of 152109091 is 190901251.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152109091 is a prime.

It is not a weakly prime, because it can be changed into another prime (152109011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76054545 + 76054546.

It is an arithmetic number, because the mean of its divisors is an integer number (76054546).

Almost surely, 2^152109091 is an apocalyptic number.

152109091 is a deficient number, since it is larger than the sum of its proper divisors (1).

152109091 is an equidigital number, since it uses as much as digits as its factorization.

152109091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 152109091 is about 12333.2514366650. The cubic root of 152109091 is about 533.8079740387.

The spelling of 152109091 in words is "one hundred fifty-two million, one hundred nine thousand, ninety-one".