151393091 has 2 divisors, whose sum is σ = 151393092. Its totient is φ = 151393090.

The previous prime is 151393051. The next prime is 151393093. The reversal of 151393091 is 190393151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151393091 - 2⁶ = 151393027 is a prime.

Together with 151393093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151393093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75696545 + 75696546.

It is an arithmetic number, because the mean of its divisors is an integer number (75696546).

Almost surely, 2^151393091 is an apocalyptic number.

151393091 is a deficient number, since it is larger than the sum of its proper divisors (1).

151393091 is an equidigital number, since it uses as much as digits as its factorization.

151393091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 32.

The square root of 151393091 is about 12304.1899774020. The cubic root of 151393091 is about 532.9690853592.

The spelling of 151393091 in words is "one hundred fifty-one million, three hundred ninety-three thousand, ninety-one".