135740140 has 24 divisors (see below), whose sum is σ = 287304192. Its totient is φ = 53867520.

The previous prime is 135740131. The next prime is 135740167. The reversal of 135740140 is 41047531.

135740140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 24181 + ... + 29260.

It is an arithmetic number, because the mean of its divisors is an integer number (11971008).

Almost surely, 2^135740140 is an apocalyptic number.

135740140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135740140 is an abundant number, since it is smaller than the sum of its proper divisors (151564052).

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

135740140 is a wasteful number, since it uses less digits than its factorization.

135740140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53577 (or 53575 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 135740140 is about 11650.7570569470. The cubic root of 135740140 is about 513.9285733994.

Adding to 135740140 its reverse (41047531), we get a palindrome (176787671).

The spelling of 135740140 in words is "one hundred thirty-five million, seven hundred forty thousand, one hundred forty".