1136419956 has 180 divisors, whose sum is σ = 3531705408. Its totient is φ = 317574432.

The previous prime is 1136419951. The next prime is 1136419967. The reversal of 1136419956 is 6599146311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136419951) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 745411 + ... + 746933.

Almost surely, 2^1136419956 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 1136419956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765852704).

1136419956 is an abundant number, since it is smaller than the sum of its proper divisors (2395285452).

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

1136419956 is a wasteful number, since it uses less digits than its factorization.

1136419956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1582 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 1136419956 is about 33710.8284680160. The cubic root of 1136419956 is about 1043.5492505209.

The spelling of 1136419956 in words is "one billion, one hundred thirty-six million, four hundred nineteen thousand, nine hundred fifty-six".