135377240 has 16 divisors (see below), whose sum is σ = 304598880. Its totient is φ = 54150880.

The previous prime is 135377227. The next prime is 135377257. The reversal of 135377240 is 42773531.

It is a super-2 number, since 2×135377240² = 36653994220035200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135377197 and 135377206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692176 + ... + 1692255.

It is an arithmetic number, because the mean of its divisors is an integer number (19037430).

Almost surely, 2^135377240 is an apocalyptic number.

135377240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135377240 is an abundant number, since it is smaller than the sum of its proper divisors (169221640).

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

135377240 is a wasteful number, since it uses less digits than its factorization.

135377240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384442 (or 3384438 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 135377240 is about 11635.1725384714. The cubic root of 135377240 is about 513.4701702261.

The spelling of 135377240 in words is "one hundred thirty-five million, three hundred seventy-seven thousand, two hundred forty".