912491134 has 4 divisors (see below), whose sum is σ = 1368736704. Its totient is φ = 456245566.

The previous prime is 912491117. The next prime is 912491137. The reversal of 912491134 is 431194219.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431194219 = 281 ⋅1534499.

It is a self number, because there is not a number n which added to its sum of digits gives 912491134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912491137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228122782 + ... + 228122785.

It is an arithmetic number, because the mean of its divisors is an integer number (342184176).

Almost surely, 2^912491134 is an apocalyptic number.

912491134 is a deficient number, since it is larger than the sum of its proper divisors (456245570).

912491134 is a wasteful number, since it uses less digits than its factorization.

912491134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456245569.

The product of its digits is 7776, while the sum is 34.

The square root of 912491134 is about 30207.4681825538. The cubic root of 912491134 is about 969.9355659187.

The spelling of 912491134 in words is "nine hundred twelve million, four hundred ninety-one thousand, one hundred thirty-four".