19142700 has 36 divisors (see below), whose sum is σ = 55387080. Its totient is φ = 5104640.

The previous prime is 19142603. The next prime is 19142701. The reversal of 19142700 is 724191.

It is not an unprimeable number, because it can be changed into a prime (19142701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31605 + ... + 32204.

It is an arithmetic number, because the mean of its divisors is an integer number (1538530).

Almost surely, 2^19142700 is an apocalyptic number.

19142700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19142700 is an abundant number, since it is smaller than the sum of its proper divisors (36244380).

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

19142700 is a wasteful number, since it uses less digits than its factorization.

19142700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63826 (or 63819 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 19142700 is about 4375.2371364304. The cubic root of 19142700 is about 267.5065360734.

Adding to 19142700 its reverse (724191), we get a palindrome (19866891).

The spelling of 19142700 in words is "nineteen million, one hundred forty-two thousand, seven hundred".