891129153 has 8 divisors (see below), whose sum is σ = 1188313600. Its totient is φ = 594015408.

The previous prime is 891129149. The next prime is 891129163. The reversal of 891129153 is 351921198.

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

It is not a de Polignac number, because 891129153 - 2² = 891129149 is a prime.

It is a super-2 number, since 2×891129153² = 1588222334652994818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (891129163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30483 + ... + 52071.

It is an arithmetic number, because the mean of its divisors is an integer number (148539200).

Almost surely, 2^891129153 is an apocalyptic number.

It is an amenable number.

891129153 is a deficient number, since it is larger than the sum of its proper divisors (297184447).

891129153 is a wasteful number, since it uses less digits than its factorization.

891129153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35351.

The product of its digits is 19440, while the sum is 39.

The square root of 891129153 is about 29851.7864289560. The cubic root of 891129153 is about 962.3067908805.

The spelling of 891129153 in words is "eight hundred ninety-one million, one hundred twenty-nine thousand, one hundred fifty-three".