135451423443434 has 32 divisors (see below), whose sum is σ = 234816495350400. Its totient is φ = 57397124252160.

The previous prime is 135451423443419. The next prime is 135451423443547. The reversal of 135451423443434 is 434344324154531.

It is a happy number.

It is a super-2 number, since 2×135451423443434² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58128329 + ... + 60413619.

It is an arithmetic number, because the mean of its divisors is an integer number (7338015479700).

Almost surely, 2^{135451423443434} is an apocalyptic number.

135451423443434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135451423443434 is a deficient number, since it is larger than the sum of its proper divisors (99365071906966).

135451423443434 is a wasteful number, since it uses less digits than its factorization.

135451423443434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332958.

The product of its digits is 16588800, while the sum is 50.

Adding to 135451423443434 its reverse (434344324154531), we get a palindrome (569795747597965).

The spelling of 135451423443434 in words is "one hundred thirty-five trillion, four hundred fifty-one billion, four hundred twenty-three million, four hundred forty-three thousand, four hundred thirty-four".