134411431 has 16 divisors (see below), whose sum is σ = 168392448. Its totient is φ = 104227200.

The previous prime is 134411423. The next prime is 134411441. The reversal of 134411431 is 134114431.

It is a happy number.

It is not a de Polignac number, because 134411431 - 2³ = 134411423 is a prime.

It is a super-2 number, since 2×134411431² = 36132865566935522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134411441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12111 + ... + 20383.

It is an arithmetic number, because the mean of its divisors is an integer number (10524528).

Almost surely, 2^134411431 is an apocalyptic number.

134411431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134411431 is a deficient number, since it is larger than the sum of its proper divisors (33981017).

134411431 is a wasteful number, since it uses less digits than its factorization.

134411431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8502.

The product of its digits is 576, while the sum is 22.

The square root of 134411431 is about 11593.5943951822. The cubic root of 134411431 is about 512.2461877068.

Adding to 134411431 its reverse (134114431), we get a palindrome (268525862).

The spelling of 134411431 in words is "one hundred thirty-four million, four hundred eleven thousand, four hundred thirty-one".