134213131 has 32 divisors (see below), whose sum is σ = 161582400. Its totient is φ = 110315520.

The previous prime is 134213111. The next prime is 134213231. The reversal of 134213131 is 131312431.

It is not a de Polignac number, because 134213131 - 2¹⁵ = 134180363 is a prime.

It is a super-2 number, since 2×134213131² = 36026329065646322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134213099 and 134213108.

It is not an unprimeable number, because it can be changed into a prime (134213111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293455 + ... + 293911.

It is an arithmetic number, because the mean of its divisors is an integer number (5049450).

Almost surely, 2^134213131 is an apocalyptic number.

134213131 is a deficient number, since it is larger than the sum of its proper divisors (27369269).

134213131 is a wasteful number, since it uses less digits than its factorization.

134213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 216, while the sum is 19.

The square root of 134213131 is about 11585.0391022215. The cubic root of 134213131 is about 511.9941545455.

Adding to 134213131 its reverse (131312431), we get a palindrome (265525562).

The spelling of 134213131 in words is "one hundred thirty-four million, two hundred thirteen thousand, one hundred thirty-one".