134747431 has 8 divisors (see below), whose sum is σ = 165843104. Its totient is φ = 106613280.

The previous prime is 134747407. The next prime is 134747461.

134747431 is nontrivially palindromic in base 10.

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 134747431 - 2⁵ = 134747399 is a prime.

It is a super-2 number, since 2×134747431² = 36313740322199522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134747401) 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, 740280 + ... + 740461.

It is an arithmetic number, because the mean of its divisors is an integer number (20730388).

Almost surely, 2^134747431 is an apocalyptic number.

134747431 is a deficient number, since it is larger than the sum of its proper divisors (31095673).

134747431 is a wasteful number, since it uses less digits than its factorization.

134747431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480761.

The product of its digits is 28224, while the sum is 34.

The square root of 134747431 is about 11608.0761110530. The cubic root of 134747431 is about 512.6726680537.

The spelling of 134747431 in words is "one hundred thirty-four million, seven hundred forty-seven thousand, four hundred thirty-one".