134781351 has 8 divisors (see below), whose sum is σ = 179771760. Its totient is φ = 89822592.

The previous prime is 134781349. The next prime is 134781379. The reversal of 134781351 is 153187431.

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

It is not a de Polignac number, because 134781351 - 2¹ = 134781349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134781301) 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 7 ways as a sum of consecutive naturals, for example, 5071 + ... + 17183.

It is an arithmetic number, because the mean of its divisors is an integer number (22471470).

Almost surely, 2^134781351 is an apocalyptic number.

134781351 is a deficient number, since it is larger than the sum of its proper divisors (44990409).

134781351 is a wasteful number, since it uses less digits than its factorization.

134781351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15825.

The product of its digits is 10080, while the sum is 33.

The square root of 134781351 is about 11609.5370708741. The cubic root of 134781351 is about 512.7156828451.

The spelling of 134781351 in words is "one hundred thirty-four million, seven hundred eighty-one thousand, three hundred fifty-one".