1136641854 has 8 divisors (see below), whose sum is σ = 2273283720. Its totient is φ = 378880616.

The previous prime is 1136641837. The next prime is 1136641861. The reversal of 1136641854 is 4581466311.

It is a sphenic number, since it is the product of 3 distinct primes.

1136641854 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94720149 + ... + 94720160.

It is an arithmetic number, because the mean of its divisors is an integer number (284160465).

Almost surely, 2^1136641854 is an apocalyptic number.

1136641854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1136641854 is a wasteful number, since it uses less digits than its factorization.

1136641854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189440314.

The product of its digits is 69120, while the sum is 39.

The square root of 1136641854 is about 33714.1195050382. The cubic root of 1136641854 is about 1043.6171674385.

The spelling of 1136641854 in words is "one billion, one hundred thirty-six million, six hundred forty-one thousand, eight hundred fifty-four".