134281901 has 8 divisors (see below), whose sum is σ = 144731160. Its totient is φ = 123849792.

The previous prime is 134281883. The next prime is 134281907. The reversal of 134281901 is 109182431.

It can be written as a sum of positive squares in 4 ways, for example, as 12709225 + 121572676 = 3565^2 + 11026^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 134281901 - 2⁶ = 134281837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134281907) 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, 15335 + ... + 22443.

It is an arithmetic number, because the mean of its divisors is an integer number (18091395).

Almost surely, 2^134281901 is an apocalyptic number.

It is an amenable number.

134281901 is a deficient number, since it is larger than the sum of its proper divisors (10449259).

134281901 is a wasteful number, since it uses less digits than its factorization.

134281901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 134281901 is about 11588.0067742472. The cubic root of 134281901 is about 512.0815871876.

The spelling of 134281901 in words is "one hundred thirty-four million, two hundred eighty-one thousand, nine hundred one".