134348731 has 4 divisors (see below), whose sum is σ = 146562264. Its totient is φ = 122135200.

The previous prime is 134348719. The next prime is 134348737. The reversal of 134348731 is 137843431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137843431 = 11 ⋅12531221.

It is not a de Polignac number, because 134348731 - 2⁹ = 134348219 is a prime.

It is a super-2 number, since 2×134348731² = 36099163042620722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134348737) 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, 6106750 + ... + 6106771.

It is an arithmetic number, because the mean of its divisors is an integer number (36640566).

Almost surely, 2^134348731 is an apocalyptic number.

134348731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134348731 is a deficient number, since it is larger than the sum of its proper divisors (12213533).

134348731 is a wasteful number, since it uses less digits than its factorization.

134348731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12213532.

The product of its digits is 24192, while the sum is 34.

The square root of 134348731 is about 11590.8900003408. The cubic root of 134348731 is about 512.1665247616.

The spelling of 134348731 in words is "one hundred thirty-four million, three hundred forty-eight thousand, seven hundred thirty-one".