134930391 has 4 divisors (see below), whose sum is σ = 179907192. Its totient is φ = 89953592.

The previous prime is 134930371. The next prime is 134930399. The reversal of 134930391 is 193039431.

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 134930391 - 2¹⁰ = 134929367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134930399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22488396 + ... + 22488401.

It is an arithmetic number, because the mean of its divisors is an integer number (44976798).

Almost surely, 2^134930391 is an apocalyptic number.

134930391 is a deficient number, since it is larger than the sum of its proper divisors (44976801).

134930391 is an equidigital number, since it uses as much as digits as its factorization.

134930391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44976800.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 134930391 is about 11615.9541579674. The cubic root of 134930391 is about 512.9045986847.

The spelling of 134930391 in words is "one hundred thirty-four million, nine hundred thirty thousand, three hundred ninety-one".