134781546 has 8 divisors (see below), whose sum is σ = 269563104. Its totient is φ = 44927180.

The previous prime is 134781527. The next prime is 134781551. The reversal of 134781546 is 645187431.

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

134781546 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11231790 + ... + 11231801.

It is an arithmetic number, because the mean of its divisors is an integer number (33695388).

Almost surely, 2^134781546 is an apocalyptic number.

134781546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134781546 is a wasteful number, since it uses less digits than its factorization.

134781546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22463596.

The product of its digits is 80640, while the sum is 39.

The square root of 134781546 is about 11609.5454691387. The cubic root of 134781546 is about 512.7159301086.

The spelling of 134781546 in words is "one hundred thirty-four million, seven hundred eighty-one thousand, five hundred forty-six".