134651231 has 8 divisors (see below), whose sum is σ = 158191824. Its totient is φ = 112993920.

The previous prime is 134651219. The next prime is 134651239. The reversal of 134651231 is 132156431.

134651231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-134651231 is a prime.

It is a super-2 number, since 2×134651231² = 36261908019630722, which contains 22 as substring.

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 134651231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134651239) 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, 470666 + ... + 470951.

It is an arithmetic number, because the mean of its divisors is an integer number (19773978).

Almost surely, 2^134651231 is an apocalyptic number.

134651231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134651231 is a deficient number, since it is larger than the sum of its proper divisors (23540593).

134651231 is a wasteful number, since it uses less digits than its factorization.

134651231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941641.

The product of its digits is 2160, while the sum is 26.

The square root of 134651231 is about 11603.9317043836. The cubic root of 134651231 is about 512.5506351716.

The spelling of 134651231 in words is "one hundred thirty-four million, six hundred fifty-one thousand, two hundred thirty-one".