135816186430 has 32 divisors (see below), whose sum is σ = 245273150304. Its totient is φ = 54147910656.

The previous prime is 135816186419. The next prime is 135816186437. The reversal of 135816186430 is 34681618531.

It is a happy number.

It is a super-2 number, since 2×135816186430² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135816186437) 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, 17766189 + ... + 17773831.

It is an arithmetic number, because the mean of its divisors is an integer number (7664785947).

Almost surely, 2^135816186430 is an apocalyptic number.

135816186430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135816186430 is a deficient number, since it is larger than the sum of its proper divisors (109456963874).

135816186430 is a wasteful number, since it uses less digits than its factorization.

135816186430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13260.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 135816186430 in words is "one hundred thirty-five billion, eight hundred sixteen million, one hundred eighty-six thousand, four hundred thirty".