151967939 has 2 divisors, whose sum is σ = 151967940. Its totient is φ = 151967938.

The previous prime is 151967867. The next prime is 151967941. The reversal of 151967939 is 939769151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151967939 - 2²⁴ = 135190723 is a prime.

Together with 151967941, 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 (151967989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75983969 + 75983970.

It is an arithmetic number, because the mean of its divisors is an integer number (75983970).

Almost surely, 2^151967939 is an apocalyptic number.

151967939 is a deficient number, since it is larger than the sum of its proper divisors (1).

151967939 is an equidigital number, since it uses as much as digits as its factorization.

151967939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 459270, while the sum is 50.

The square root of 151967939 is about 12327.5276921206. The cubic root of 151967939 is about 533.6428044632.

The spelling of 151967939 in words is "one hundred fifty-one million, nine hundred sixty-seven thousand, nine hundred thirty-nine".