1139674536 has 480 divisors, whose sum is σ = 4379870880. Its totient is φ = 272160000.

The previous prime is 1139674517. The next prime is 1139674559. The reversal of 1139674536 is 6354769311.

It is a happy number.

1139674536 is a `hidden beast` number, since 1 + 139 + 67 + 453 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1139674491 and 1139674500.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4540411 + ... + 4540661.

It is an arithmetic number, because the mean of its divisors is an integer number (9124731).

Almost surely, 2^1139674536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139674536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2189935440).

1139674536 is an abundant number, since it is smaller than the sum of its proper divisors (3240196344).

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

1139674536 is a wasteful number, since it uses less digits than its factorization.

1139674536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 287 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 1139674536 is about 33759.0659823402. The cubic root of 1139674536 is about 1044.5445039125.

The spelling of 1139674536 in words is "one billion, one hundred thirty-nine million, six hundred seventy-four thousand, five hundred thirty-six".