151838987 has 2 divisors, whose sum is σ = 151838988. Its totient is φ = 151838986.

The previous prime is 151838969. The next prime is 151838989. The reversal of 151838987 is 789838151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151838987 - 2⁶ = 151838923 is a prime.

Together with 151838989, 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 (151838989) 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, 75919493 + 75919494.

It is an arithmetic number, because the mean of its divisors is an integer number (75919494).

Almost surely, 2^151838987 is an apocalyptic number.

151838987 is a deficient number, since it is larger than the sum of its proper divisors (1).

151838987 is an equidigital number, since it uses as much as digits as its factorization.

151838987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 50.

The square root of 151838987 is about 12322.2963363165. The cubic root of 151838987 is about 533.4918213444.

The spelling of 151838987 in words is "one hundred fifty-one million, eight hundred thirty-eight thousand, nine hundred eighty-seven".