134813951 has 4 divisors (see below), whose sum is σ = 134895000. Its totient is φ = 134732904.

The previous prime is 134813941. The next prime is 134813963. The reversal of 134813951 is 159318431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134813951 - 2¹⁴ = 134797567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134813941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37976 + ... + 41373.

It is an arithmetic number, because the mean of its divisors is an integer number (33723750).

Almost surely, 2^134813951 is an apocalyptic number.

134813951 is a deficient number, since it is larger than the sum of its proper divisors (81049).

134813951 is an equidigital number, since it uses as much as digits as its factorization.

134813951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81048.

The product of its digits is 12960, while the sum is 35.

The square root of 134813951 is about 11610.9410040703. The cubic root of 134813951 is about 512.7570169113.

The spelling of 134813951 in words is "one hundred thirty-four million, eight hundred thirteen thousand, nine hundred fifty-one".