134212431 has 8 divisors (see below), whose sum is σ = 183786544. Its totient is φ = 87056640.

The previous prime is 134212387. The next prime is 134212451.

134212431 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134212431 - 2⁶ = 134212367 is a prime.

It is a super-2 number, since 2×134212431² = 36025953269859522, 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 = 134212398 and 134212407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134212451) 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, 604450 + ... + 604671.

It is an arithmetic number, because the mean of its divisors is an integer number (22973318).

Almost surely, 2^134212431 is an apocalyptic number.

134212431 is a deficient number, since it is larger than the sum of its proper divisors (49574113).

134212431 is a wasteful number, since it uses less digits than its factorization.

134212431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209161.

The product of its digits is 576, while the sum is 21.

The square root of 134212431 is about 11585.0088908037. The cubic root of 134212431 is about 511.9932644276.

The spelling of 134212431 in words is "one hundred thirty-four million, two hundred twelve thousand, four hundred thirty-one".