19045137 has 8 divisors (see below), whose sum is σ = 25453120. Its totient is φ = 12666960.

The previous prime is 19045123. The next prime is 19045139. The reversal of 19045137 is 73154091.

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

It is not a de Polignac number, because 19045137 - 2¹² = 19041041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19045139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5914 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (3181640).

Almost surely, 2^19045137 is an apocalyptic number.

It is an amenable number.

19045137 is a deficient number, since it is larger than the sum of its proper divisors (6407983).

19045137 is a wasteful number, since it uses less digits than its factorization.

19045137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14903.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 19045137 is about 4364.0734411786. The cubic root of 19045137 is about 267.0513024061.

The spelling of 19045137 in words is "nineteen million, forty-five thousand, one hundred thirty-seven".