1134198639 has 96 divisors (see below), whose sum is σ = 2088115200. Its totient is φ = 604558080.

The previous prime is 1134198623. The next prime is 1134198641. The reversal of 1134198639 is 9368914311.

1134198639 is a `hidden beast` number, since 1 + 1 + 3 + 4 + 1 + 9 + 8 + 639 = 666.

It is not a de Polignac number, because 1134198639 - 2⁴ = 1134198623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1134198594 and 1134198603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134198619) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4745482 + ... + 4745720.

It is an arithmetic number, because the mean of its divisors is an integer number (21751200).

Almost surely, 2^1134198639 is an apocalyptic number.

1134198639 is a deficient number, since it is larger than the sum of its proper divisors (953916561).

1134198639 is a wasteful number, since it uses less digits than its factorization.

1134198639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 477 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 1134198639 is about 33677.8657132545. The cubic root of 1134198639 is about 1042.8688783111.

The spelling of 1134198639 in words is "one billion, one hundred thirty-four million, one hundred ninety-eight thousand, six hundred thirty-nine".