1134640542 has 16 divisors (see below), whose sum is σ = 2593464192. Its totient is φ = 324183000.

The previous prime is 1134640541. The next prime is 1134640567. The reversal of 1134640542 is 2450464311.

1134640542 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134640541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13507584 + ... + 13507667.

It is an arithmetic number, because the mean of its divisors is an integer number (162091512).

Almost surely, 2^1134640542 is an apocalyptic number.

1134640542 is an abundant number, since it is smaller than the sum of its proper divisors (1458823650).

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

1134640542 is a wasteful number, since it uses less digits than its factorization.

1134640542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27015263.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1134640542 is about 33684.4258077824. The cubic root of 1134640542 is about 1043.0043005179.

The spelling of 1134640542 in words is "one billion, one hundred thirty-four million, six hundred forty thousand, five hundred forty-two".