1912794135 has 24 divisors (see below), whose sum is σ = 3560140656. Its totient is φ = 874419840.

The previous prime is 1912794131. The next prime is 1912794157. The reversal of 1912794135 is 5314972191.

It is not a de Polignac number, because 1912794135 - 2² = 1912794131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912794131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1300486 + ... + 1301955.

It is an arithmetic number, because the mean of its divisors is an integer number (148339194).

Almost surely, 2^1912794135 is an apocalyptic number.

1912794135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1912794135 is a deficient number, since it is larger than the sum of its proper divisors (1647346521).

1912794135 is a wasteful number, since it uses less digits than its factorization.

1912794135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602463 (or 2602456 counting only the distinct ones).

The product of its digits is 68040, while the sum is 42.

The square root of 1912794135 is about 43735.5019978049. The cubic root of 1912794135 is about 1241.3361713272.

The spelling of 1912794135 in words is "one billion, nine hundred twelve million, seven hundred ninety-four thousand, one hundred thirty-five".