19130655 has 16 divisors (see below), whose sum is σ = 30685824. Its totient is φ = 10177440.

The previous prime is 19130647. The next prime is 19130659. The reversal of 19130655 is 55603191.

19130655 = T₁₉ + T₂₀ + ... + T₄₈₅.

It is not a de Polignac number, because 19130655 - 2³ = 19130647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19130659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5640 + ... + 8370.

It is an arithmetic number, because the mean of its divisors is an integer number (1917864).

Almost surely, 2^19130655 is an apocalyptic number.

19130655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19130655 is a deficient number, since it is larger than the sum of its proper divisors (11555169).

19130655 is a wasteful number, since it uses less digits than its factorization.

19130655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 19130655 is about 4373.8604230131. The cubic root of 19130655 is about 267.4504173394.

The spelling of 19130655 in words is "nineteen million, one hundred thirty thousand, six hundred fifty-five".