1134921788 has 48 divisors (see below), whose sum is σ = 2666678784. Its totient is φ = 408162240.

The previous prime is 1134921787. The next prime is 1134921791. The reversal of 1134921788 is 8871294311.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134921787) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 137720 + ... + 145727.

It is an arithmetic number, because the mean of its divisors is an integer number (55555808).

Almost surely, 2^1134921788 is an apocalyptic number.

It is an amenable number.

1134921788 is an abundant number, since it is smaller than the sum of its proper divisors (1531756996).

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

1134921788 is a wasteful number, since it uses less digits than its factorization.

1134921788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283482 (or 283480 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 1134921788 is about 33688.6002677464. The cubic root of 1134921788 is about 1043.0904707021.

It can be divided in two parts, 113492178 and 8, that multiplied together give a square (907937424 = 30132²).

The spelling of 1134921788 in words is "one billion, one hundred thirty-four million, nine hundred twenty-one thousand, seven hundred eighty-eight".