149690519 has 8 divisors (see below), whose sum is σ = 163632000. Its totient is φ = 135804600.

The previous prime is 149690501. The next prime is 149690557. The reversal of 149690519 is 915096941.

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

It is a cyclic number.

It is not a de Polignac number, because 149690519 - 2⁸ = 149690263 is a prime.

It is a super-2 number, since 2×149690519² = 44814502956978722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149690519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149690579) 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 in 7 ways as a sum of consecutive naturals, for example, 8147 + ... + 19124.

It is an arithmetic number, because the mean of its divisors is an integer number (20454000).

Almost surely, 2^149690519 is an apocalyptic number.

149690519 is a deficient number, since it is larger than the sum of its proper divisors (13941481).

149690519 is a wasteful number, since it uses less digits than its factorization.

149690519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27781.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 149690519 is about 12234.8076813655. The cubic root of 149690519 is about 530.9636189539.

The spelling of 149690519 in words is "one hundred forty-nine million, six hundred ninety thousand, five hundred nineteen".