151513939 has 2 divisors, whose sum is σ = 151513940. Its totient is φ = 151513938.

The previous prime is 151513937. The next prime is 151513969. The reversal of 151513939 is 939315151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151513939 - 2¹ = 151513937 is a prime.

It is a super-2 number, since 2×151513939² = 45912947422591442, which contains 22 as substring.

Together with 151513937, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 151513898 and 151513907.

It is not a weakly prime, because it can be changed into another prime (151513931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75756969 + 75756970.

It is an arithmetic number, because the mean of its divisors is an integer number (75756970).

Almost surely, 2^151513939 is an apocalyptic number.

151513939 is a deficient number, since it is larger than the sum of its proper divisors (1).

151513939 is an equidigital number, since it uses as much as digits as its factorization.

151513939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18225, while the sum is 37.

The square root of 151513939 is about 12309.0998452365. The cubic root of 151513939 is about 533.1108600321.

The spelling of 151513939 in words is "one hundred fifty-one million, five hundred thirteen thousand, nine hundred thirty-nine".