1154133655 has 8 divisors (see below), whose sum is σ = 1466428752. Its totient is φ = 868994688.

The previous prime is 1154133647. The next prime is 1154133661. The reversal of 1154133655 is 5563314511.

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

It is a cyclic number.

It is not a de Polignac number, because 1154133655 - 2³ = 1154133647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1154133655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6788937 + ... + 6789106.

It is an arithmetic number, because the mean of its divisors is an integer number (183303594).

Almost surely, 2^1154133655 is an apocalyptic number.

1154133655 is a deficient number, since it is larger than the sum of its proper divisors (312295097).

1154133655 is a wasteful number, since it uses less digits than its factorization.

1154133655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13578065.

The product of its digits is 27000, while the sum is 34.

The square root of 1154133655 is about 33972.5426631567. The cubic root of 1154133655 is about 1048.9433527419.

The spelling of 1154133655 in words is "one billion, one hundred fifty-four million, one hundred thirty-three thousand, six hundred fifty-five".