135742550 has 24 divisors (see below), whose sum is σ = 263460816. Its totient is φ = 51935840.

The previous prime is 135742549. The next prime is 135742559. The reversal of 135742550 is 55247531.

135742550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135742559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57869 + ... + 60168.

It is an arithmetic number, because the mean of its divisors is an integer number (10977534).

Almost surely, 2^135742550 is an apocalyptic number.

135742550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135742550 is a deficient number, since it is larger than the sum of its proper divisors (127718266).

135742550 is a wasteful number, since it uses less digits than its factorization.

135742550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118072 (or 118067 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 135742550 is about 11650.8604832433. The cubic root of 135742550 is about 513.9316148984.

The spelling of 135742550 in words is "one hundred thirty-five million, seven hundred forty-two thousand, five hundred fifty".