19125135 has 12 divisors (see below), whose sum is σ = 33150312. Its totient is φ = 10200048.

The previous prime is 19125133. The next prime is 19125151. The reversal of 19125135 is 53152191.

It is not a de Polignac number, because 19125135 - 2¹ = 19125133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19125099 and 19125108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19125131) 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, 212457 + ... + 212546.

It is an arithmetic number, because the mean of its divisors is an integer number (2762526).

Almost surely, 2^19125135 is an apocalyptic number.

19125135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19125135 is a deficient number, since it is larger than the sum of its proper divisors (14025177).

19125135 is a wasteful number, since it uses less digits than its factorization.

19125135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425014 (or 425011 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 19125135 is about 4373.2293559794. The cubic root of 19125135 is about 267.4246912936.

The spelling of 19125135 in words is "nineteen million, one hundred twenty-five thousand, one hundred thirty-five".