19101342 has 16 divisors (see below), whose sum is σ = 41141520. Its totient is φ = 5877312.

The previous prime is 19101311. The next prime is 19101347. The reversal of 19101342 is 24310191.

It is a super-2 number, since 2×19101342² = 729722532401928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19101347) 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, 122367 + ... + 122522.

It is an arithmetic number, because the mean of its divisors is an integer number (2571345).

Almost surely, 2^19101342 is an apocalyptic number.

19101342 is an abundant number, since it is smaller than the sum of its proper divisors (22040178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19101342 is a wasteful number, since it uses less digits than its factorization.

19101342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244907.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 19101342 is about 4370.5082084353. The cubic root of 19101342 is about 267.3137469593.

The spelling of 19101342 in words is "nineteen million, one hundred one thousand, three hundred forty-two".