19207142 has 8 divisors (see below), whose sum is σ = 29080296. Its totient is φ = 9513712.

The previous prime is 19207141. The next prime is 19207183. The reversal of 19207142 is 24170291.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19207141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44663 + ... + 45090.

It is an arithmetic number, because the mean of its divisors is an integer number (3635037).

Almost surely, 2^19207142 is an apocalyptic number.

19207142 is a deficient number, since it is larger than the sum of its proper divisors (9873154).

19207142 is a wasteful number, since it uses less digits than its factorization.

19207142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89862.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 19207142 is about 4382.5953497899. The cubic root of 19207142 is about 267.8063779317.

The spelling of 19207142 in words is "nineteen million, two hundred seven thousand, one hundred forty-two".