1136419957 has 4 divisors (see below), whose sum is σ = 1140005196. Its totient is φ = 1132834720.

The previous prime is 1136419951. The next prime is 1136419967. The reversal of 1136419957 is 7599146311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7599146311 = 19 ⋅399955069.

It can be written as a sum of positive squares in 2 ways, for example, as 332187076 + 804232881 = 18226^2 + 28359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1136419957 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1792144 + ... + 1792777.

It is an arithmetic number, because the mean of its divisors is an integer number (285001299).

Almost surely, 2^1136419957 is an apocalyptic number.

It is an amenable number.

1136419957 is a deficient number, since it is larger than the sum of its proper divisors (3585239).

1136419957 is an equidigital number, since it uses as much as digits as its factorization.

1136419957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585238.

The product of its digits is 204120, while the sum is 46.

The square root of 1136419957 is about 33710.8284828481. The cubic root of 1136419957 is about 1043.5492508270.

The spelling of 1136419957 in words is "one billion, one hundred thirty-six million, four hundred nineteen thousand, nine hundred fifty-seven".