134118731 has 4 divisors (see below), whose sum is σ = 135174912. Its totient is φ = 133062552.

The previous prime is 134118709. The next prime is 134118757. The reversal of 134118731 is 137811431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137811431 = 43 ⋅3204917.

It is a cyclic number.

It is not a de Polignac number, because 134118731 - 2¹⁰ = 134117707 is a prime.

It is a super-2 number, since 2×134118731² = 35975668010100722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134118694 and 134118703.

It is not an unprimeable number, because it can be changed into a prime (134118781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527900 + ... + 528153.

It is an arithmetic number, because the mean of its divisors is an integer number (33793728).

Almost surely, 2^134118731 is an apocalyptic number.

134118731 is a deficient number, since it is larger than the sum of its proper divisors (1056181).

134118731 is a wasteful number, since it uses less digits than its factorization.

134118731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056180.

The product of its digits is 2016, while the sum is 29.

The square root of 134118731 is about 11580.9641653880. The cubic root of 134118731 is about 511.8740878429.

The spelling of 134118731 in words is "one hundred thirty-four million, one hundred eighteen thousand, seven hundred thirty-one".