135503130 has 48 divisors (see below), whose sum is σ = 378306720. Its totient is φ = 30971808.

The previous prime is 135503129. The next prime is 135503131. The reversal of 135503130 is 31305531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135503129) and next prime (135503131).

It is a super-2 number, since 2×135503130² = 36722196479593800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 135503097 and 135503106.

It is not an unprimeable number, because it can be changed into a prime (135503131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44620 + ... + 47559.

It is an arithmetic number, because the mean of its divisors is an integer number (7881390).

Almost surely, 2^135503130 is an apocalyptic number.

135503130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135503130 is an abundant number, since it is smaller than the sum of its proper divisors (242803590).

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

135503130 is a wasteful number, since it uses less digits than its factorization.

135503130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92203 (or 92196 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 135503130 is about 11640.5811710584. The cubic root of 135503130 is about 513.6292829719.

Adding to 135503130 its reverse (31305531), we get a palindrome (166808661).

The spelling of 135503130 in words is "one hundred thirty-five million, five hundred three thousand, one hundred thirty".