151899139 has 8 divisors (see below), whose sum is σ = 173678688. Its totient is φ = 130139520.

The previous prime is 151899103. The next prime is 151899149. The reversal of 151899139 is 931998151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-151899139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151899149) 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 in 7 ways as a sum of consecutive naturals, for example, 19179 + ... + 25915.

It is an arithmetic number, because the mean of its divisors is an integer number (21709836).

Almost surely, 2^151899139 is an apocalyptic number.

151899139 is a deficient number, since it is larger than the sum of its proper divisors (21779549).

151899139 is an equidigital number, since it uses as much as digits as its factorization.

151899139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965.

The product of its digits is 87480, while the sum is 46.

The square root of 151899139 is about 12324.7368734590. The cubic root of 151899139 is about 533.5622607925.

The spelling of 151899139 in words is "one hundred fifty-one million, eight hundred ninety-nine thousand, one hundred thirty-nine".