134872869 has 8 divisors (see below), whose sum is σ = 180217440. Its totient is φ = 89721776.

The previous prime is 134872861. The next prime is 134872877. The reversal of 134872869 is 968278431.

134872869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (134872861) and next prime (134872877).

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 134872869 - 2³ = 134872861 is a prime.

It is a super-2 number, since 2×134872869² = 36381381584582322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134872861) 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, 46734 + ... + 49535.

It is an arithmetic number, because the mean of its divisors is an integer number (22527180).

Almost surely, 2^134872869 is an apocalyptic number.

It is an amenable number.

134872869 is a deficient number, since it is larger than the sum of its proper divisors (45344571).

134872869 is an equidigital number, since it uses as much as digits as its factorization.

134872869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96739.

The product of its digits is 580608, while the sum is 48.

The square root of 134872869 is about 11613.4779028506. The cubic root of 134872869 is about 512.8317030937.

The spelling of 134872869 in words is "one hundred thirty-four million, eight hundred seventy-two thousand, eight hundred sixty-nine".