1134644628 has 24 divisors (see below), whose sum is σ = 2851158688. Its totient is φ = 349121376.

The previous prime is 1134644597. The next prime is 1134644647. The reversal of 1134644628 is 8264464311.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3636526 + ... + 3636837.

Almost surely, 2^1134644628 is an apocalyptic number.

It is an amenable number.

1134644628 is an abundant number, since it is smaller than the sum of its proper divisors (1716514060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1134644628 is a wasteful number, since it uses less digits than its factorization.

1134644628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273383 (or 7273381 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 1134644628 is about 33684.4864589027. The cubic root of 1134644628 is about 1043.0055525180.

The spelling of 1134644628 in words is "one billion, one hundred thirty-four million, six hundred forty-four thousand, six hundred twenty-eight".