135855740 has 24 divisors (see below), whose sum is σ = 285535152. Its totient is φ = 54296960.

The previous prime is 135855737. The next prime is 135855743. The reversal of 135855740 is 47558531.

It is an interprime number because it is at equal distance from previous prime (135855737) and next prime (135855743).

It is a junction number, because it is equal to n+sod(n) for n = 135855694 and 135855703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135855743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32447 + ... + 36393.

It is an arithmetic number, because the mean of its divisors is an integer number (11897298).

Almost surely, 2^135855740 is an apocalyptic number.

135855740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135855740 is an abundant number, since it is smaller than the sum of its proper divisors (149679412).

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

135855740 is a wasteful number, since it uses less digits than its factorization.

135855740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677 (or 5675 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 135855740 is about 11655.7170521594. The cubic root of 135855740 is about 514.0744238603.

The spelling of 135855740 in words is "one hundred thirty-five million, eight hundred fifty-five thousand, seven hundred forty".