135947550 has 24 divisors (see below), whose sum is σ = 337150296. Its totient is φ = 36252640.

The previous prime is 135947543. The next prime is 135947557. The reversal of 135947550 is 55749531.

It is an interprime number because it is at equal distance from previous prime (135947543) and next prime (135947557).

It is a junction number, because it is equal to n+sod(n) for n = 135947499 and 135947508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135947557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453009 + ... + 453308.

It is an arithmetic number, because the mean of its divisors is an integer number (14047929).

Almost surely, 2^135947550 is an apocalyptic number.

135947550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135947550 is an abundant number, since it is smaller than the sum of its proper divisors (201202746).

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

135947550 is a wasteful number, since it uses less digits than its factorization.

135947550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906332 (or 906327 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 135947550 is about 11659.6547976344. The cubic root of 135947550 is about 514.1901999648.

The spelling of 135947550 in words is "one hundred thirty-five million, nine hundred forty-seven thousand, five hundred fifty".