133142734 has 8 divisors (see below), whose sum is σ = 199793808. Its totient is φ = 66544800.

The previous prime is 133142719. The next prime is 133142743. The reversal of 133142734 is 437241331.

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

It is a congruent 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, 6282 + ... + 17485.

It is an arithmetic number, because the mean of its divisors is an integer number (24974226).

Almost surely, 2^133142734 is an apocalyptic number.

133142734 is a deficient number, since it is larger than the sum of its proper divisors (66651074).

133142734 is a wasteful number, since it uses less digits than its factorization.

133142734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26570.

The product of its digits is 6048, while the sum is 28.

The square root of 133142734 is about 11538.7492389773. The cubic root of 133142734 is about 510.6294087312.

The spelling of 133142734 in words is "one hundred thirty-three million, one hundred forty-two thousand, seven hundred thirty-four".