19052140 has 24 divisors (see below), whose sum is σ = 40576032. Its totient is φ = 7512960.

The previous prime is 19052129. The next prime is 19052147. The reversal of 19052140 is 4125091.

19052140 = T₂₁₅ + T₂₁₆ + ... + T₄₉₈.

It is not an unprimeable number, because it can be changed into a prime (19052147) 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, 5289 + ... + 8128.

It is an arithmetic number, because the mean of its divisors is an integer number (1690668).

Almost surely, 2^19052140 is an apocalyptic number.

19052140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19052140 is an abundant number, since it is smaller than the sum of its proper divisors (21523892).

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

19052140 is a wasteful number, since it uses less digits than its factorization.

19052140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13497 (or 13495 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 19052140 is about 4364.8757141527. The cubic root of 19052140 is about 267.0840304650.

The spelling of 19052140 in words is "nineteen million, fifty-two thousand, one hundred forty".