19137941 has 8 divisors (see below), whose sum is σ = 19946520. Its totient is φ = 18339328.

The previous prime is 19137919. The next prime is 19137953. The reversal of 19137941 is 14973191.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 828100 + 18309841 = 910^2 + 4279^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19137941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19137901) 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, 1565 + ... + 6381.

It is an arithmetic number, because the mean of its divisors is an integer number (2493315).

Almost surely, 2^19137941 is an apocalyptic number.

It is an amenable number.

19137941 is a deficient number, since it is larger than the sum of its proper divisors (808579).

19137941 is a wasteful number, since it uses less digits than its factorization.

19137941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983.

The product of its digits is 6804, while the sum is 35.

The square root of 19137941 is about 4374.6932463888. The cubic root of 19137941 is about 267.4843662800.

The spelling of 19137941 in words is "nineteen million, one hundred thirty-seven thousand, nine hundred forty-one".