1912644134 has 8 divisors (see below), whose sum is σ = 2967896160. Its totient is φ = 923345416.

The previous prime is 1912644133. The next prime is 1912644161. The reversal of 1912644134 is 4314462191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1912644094 and 1912644103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912644133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16488254 + ... + 16488369.

It is an arithmetic number, because the mean of its divisors is an integer number (370987020).

Almost surely, 2^1912644134 is an apocalyptic number.

1912644134 is a deficient number, since it is larger than the sum of its proper divisors (1055252026).

1912644134 is a wasteful number, since it uses less digits than its factorization.

1912644134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32976654.

The product of its digits is 20736, while the sum is 35.

The square root of 1912644134 is about 43733.7870987638. The cubic root of 1912644134 is about 1241.3037220199.

The spelling of 1912644134 in words is "one billion, nine hundred twelve million, six hundred forty-four thousand, one hundred thirty-four".