19142097 has 32 divisors (see below), whose sum is σ = 28901376. Its totient is φ = 11188800.

The previous prime is 19142089. The next prime is 19142099. The reversal of 19142097 is 79024191.

It is not a de Polignac number, because 19142097 - 2³ = 19142089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19142099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85728 + ... + 85950.

It is an arithmetic number, because the mean of its divisors is an integer number (903168).

Almost surely, 2^19142097 is an apocalyptic number.

It is an amenable number.

19142097 is a deficient number, since it is larger than the sum of its proper divisors (9759279).

19142097 is a wasteful number, since it uses less digits than its factorization.

19142097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 19142097 is about 4375.1682253372. The cubic root of 19142097 is about 267.5037272023.

The spelling of 19142097 in words is "nineteen million, one hundred forty-two thousand, ninety-seven".