135431130 has 32 divisors (see below), whose sum is σ = 339168384. Its totient is φ = 34544576.

The previous prime is 135431113. The next prime is 135431141. The reversal of 135431130 is 31134531.

It is a junction number, because it is equal to n+sod(n) for n = 135431097 and 135431106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97449 + ... + 98828.

It is an arithmetic number, because the mean of its divisors is an integer number (10599012).

Almost surely, 2^135431130 is an apocalyptic number.

135431130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135431130 is an abundant number, since it is smaller than the sum of its proper divisors (203737254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135431130 is a wasteful number, since it uses less digits than its factorization.

135431130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196310.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 135431130 is about 11637.4881310358. The cubic root of 135431130 is about 513.5382940274.

Adding to 135431130 its reverse (31134531), we get a palindrome (166565661).

The spelling of 135431130 in words is "one hundred thirty-five million, four hundred thirty-one thousand, one hundred thirty".