1134137778 has 64 divisors (see below), whose sum is σ = 2444307840. Its totient is φ = 349719552.

The previous prime is 1134137737. The next prime is 1134137783. The reversal of 1134137778 is 8777314311.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2035876 + ... + 2036432.

It is an arithmetic number, because the mean of its divisors is an integer number (38192310).

Almost surely, 2^1134137778 is an apocalyptic number.

1134137778 is an abundant number, since it is smaller than the sum of its proper divisors (1310170062).

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

1134137778 is a wasteful number, since it uses less digits than its factorization.

1134137778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

The product of its digits is 98784, while the sum is 42.

The square root of 1134137778 is about 33676.9621254649. The cubic root of 1134137778 is about 1042.8502245598.

The spelling of 1134137778 in words is "one billion, one hundred thirty-four million, one hundred thirty-seven thousand, seven hundred seventy-eight".