1134457788 has 12 divisors (see below), whose sum is σ = 2647068200. Its totient is φ = 378152592.

The previous prime is 1134457769. The next prime is 1134457789. The reversal of 1134457788 is 8877544311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134457789) 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, 47269063 + ... + 47269086.

Almost surely, 2^1134457788 is an apocalyptic number.

It is an amenable number.

1134457788 is an abundant number, since it is smaller than the sum of its proper divisors (1512610412).

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

1134457788 is a wasteful number, since it uses less digits than its factorization.

1134457788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94538156 (or 94538154 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The square root of 1134457788 is about 33681.7129611901. The cubic root of 1134457788 is about 1042.9482993922.

The spelling of 1134457788 in words is "one billion, one hundred thirty-four million, four hundred fifty-seven thousand, seven hundred eighty-eight".