134312157 has 24 divisors (see below), whose sum is σ = 231364224. Its totient is φ = 73412064.

The previous prime is 134312149. The next prime is 134312161. The reversal of 134312157 is 751213431.

134312157 is a `hidden beast` number, since 13 + 431 + 215 + 7 = 666.

It is not a de Polignac number, because 134312157 - 2³ = 134312149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134312157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134312107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44898 + ... + 47795.

It is an arithmetic number, because the mean of its divisors is an integer number (9640176).

Almost surely, 2^134312157 is an apocalyptic number.

It is an amenable number.

134312157 is a deficient number, since it is larger than the sum of its proper divisors (97052067).

134312157 is a wasteful number, since it uses less digits than its factorization.

134312157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92729 (or 92726 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 134312157 is about 11589.3121883915. The cubic root of 134312157 is about 512.1200445346.

Adding to 134312157 its reverse (751213431), we get a palindrome (885525588).

The spelling of 134312157 in words is "one hundred thirty-four million, three hundred twelve thousand, one hundred fifty-seven".