134781193 has 8 divisors (see below), whose sum is σ = 144280800. Its totient is φ = 125522208.

The previous prime is 134781181. The next prime is 134781197. The reversal of 134781193 is 391187431.

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

It is not a de Polignac number, because 134781193 - 2²⁵ = 101226761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134781197) 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, 58996 + ... + 61237.

It is an arithmetic number, because the mean of its divisors is an integer number (18035100).

Almost surely, 2^134781193 is an apocalyptic number.

It is an amenable number.

134781193 is a deficient number, since it is larger than the sum of its proper divisors (9499607).

134781193 is a wasteful number, since it uses less digits than its factorization.

134781193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120311.

The product of its digits is 18144, while the sum is 37.

The square root of 134781193 is about 11609.5302661219. The cubic root of 134781193 is about 512.7154824981.

The spelling of 134781193 in words is "one hundred thirty-four million, seven hundred eighty-one thousand, one hundred ninety-three".