134492728 has 8 divisors (see below), whose sum is σ = 252173880. Its totient is φ = 67246360.

The previous prime is 134492719. The next prime is 134492741. The reversal of 134492728 is 827294431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8405788 + ... + 8405803.

It is an arithmetic number, because the mean of its divisors is an integer number (31521735).

Almost surely, 2^134492728 is an apocalyptic number.

It is an amenable number.

134492728 is a deficient number, since it is larger than the sum of its proper divisors (117681152).

134492728 is a wasteful number, since it uses less digits than its factorization.

134492728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16811597 (or 16811593 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 134492728 is about 11597.0999823232. The cubic root of 134492728 is about 512.3494420328.

The spelling of 134492728 in words is "one hundred thirty-four million, four hundred ninety-two thousand, seven hundred twenty-eight".