135650775 has 36 divisors (see below), whose sum is σ = 242177208. Its totient is φ = 66602880.

The previous prime is 135650773. The next prime is 135650791. The reversal of 135650775 is 577056531.

It is a happy number.

It is not a de Polignac number, because 135650775 - 2¹ = 135650773 is a prime.

It is a super-2 number, since 2×135650775² = 36802265516201250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135650771) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 363489 + ... + 363861.

Almost surely, 2^135650775 is an apocalyptic number.

135650775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135650775 is a deficient number, since it is larger than the sum of its proper divisors (106526433).

135650775 is an equidigital number, since it uses as much as digits as its factorization.

135650775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 39.

The square root of 135650775 is about 11646.9212670130. The cubic root of 135650775 is about 513.8157664104.

Multiplying 135650775 by its sum of digits (39), we get a square (5290380225 = 72735²).

135650775 divided by its sum of digits (39) gives a square (3478225 = 1865²).

The spelling of 135650775 in words is "one hundred thirty-five million, six hundred fifty thousand, seven hundred seventy-five".