135191650 has 96 divisors (see below), whose sum is σ = 306141120. Its totient is φ = 43776000.

The previous prime is 135191621. The next prime is 135191653. The reversal of 135191650 is 56191531.

It is not an unprimeable number, because it can be changed into a prime (135191653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177270 + ... + 178030.

It is an arithmetic number, because the mean of its divisors is an integer number (3188970).

Almost surely, 2^135191650 is an apocalyptic number.

135191650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135191650 is an abundant number, since it is smaller than the sum of its proper divisors (170949470).

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

135191650 is a wasteful number, since it uses less digits than its factorization.

135191650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 135191650 is about 11627.1944165392. The cubic root of 135191650 is about 513.2354224723.

The spelling of 135191650 in words is "one hundred thirty-five million, one hundred ninety-one thousand, six hundred fifty".