134931 has 8 divisors (see below), whose sum is σ = 184464. Its totient is φ = 87680.

The previous prime is 134923. The next prime is 134947. The reversal of 134931 is 139431.

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 134931 - 2³ = 134923 is a prime.

It is a super-2 number, since 2×134931² = 36412749522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134898 and 134907.

It is not an unprimeable number, because it can be changed into a prime (134921) 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, 426 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (23058).

2¹³⁴⁹³¹ is an apocalyptic number.

134931 is a deficient number, since it is larger than the sum of its proper divisors (49533).

134931 is a wasteful number, since it uses less digits than its factorization.

134931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its digits is 324, while the sum is 21.

The square root of 134931 is about 367.3295523096. The cubic root of 134931 is about 51.2905370338.

The spelling of 134931 in words is "one hundred thirty-four thousand, nine hundred thirty-one".