135430140 has 24 divisors (see below), whose sum is σ = 379204560. Its totient is φ = 36114688.

The previous prime is 135430129. The next prime is 135430151. The reversal of 135430140 is 41034531.

It is an interprime number because it is at equal distance from previous prime (135430129) and next prime (135430151).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128525 + ... + 1128644.

It is an arithmetic number, because the mean of its divisors is an integer number (15800190).

Almost surely, 2^135430140 is an apocalyptic number.

135430140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135430140 is an abundant number, since it is smaller than the sum of its proper divisors (243774420).

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

135430140 is a wasteful number, since it uses less digits than its factorization.

135430140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257181 (or 2257179 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 135430140 is about 11637.4455960060. The cubic root of 135430140 is about 513.5370427047.

Adding to 135430140 its reverse (41034531), we get a palindrome (176464671).

The spelling of 135430140 in words is "one hundred thirty-five million, four hundred thirty thousand, one hundred forty".