19142630 has 48 divisors (see below), whose sum is σ = 38263104. Its totient is φ = 6888960.

The previous prime is 19142603. The next prime is 19142701. The reversal of 19142630 is 3624191.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 19142630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79310 + ... + 79550.

It is an arithmetic number, because the mean of its divisors is an integer number (797148).

Almost surely, 2^19142630 is an apocalyptic number.

19142630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19142630 is a deficient number, since it is larger than the sum of its proper divisors (19120474).

19142630 is a wasteful number, since it uses less digits than its factorization.

19142630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 19142630 is about 4375.2291368567. The cubic root of 19142630 is about 267.5062100052.

The spelling of 19142630 in words is "nineteen million, one hundred forty-two thousand, six hundred thirty".