134771865 has 8 divisors (see below), whose sum is σ = 215635008. Its totient is φ = 71878320.

The previous prime is 134771863. The next prime is 134771873. The reversal of 134771865 is 568177431.

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

It is not a de Polignac number, because 134771865 - 2¹ = 134771863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134771863) 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, 4492381 + ... + 4492410.

It is an arithmetic number, because the mean of its divisors is an integer number (26954376).

Almost surely, 2^134771865 is an apocalyptic number.

134771865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134771865 is a deficient number, since it is larger than the sum of its proper divisors (80863143).

134771865 is an equidigital number, since it uses as much as digits as its factorization.

134771865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984799.

The product of its digits is 141120, while the sum is 42.

The square root of 134771865 is about 11609.1285202637. The cubic root of 134771865 is about 512.7036541408.

The spelling of 134771865 in words is "one hundred thirty-four million, seven hundred seventy-one thousand, eight hundred sixty-five".