135747680342 has 4 divisors (see below), whose sum is σ = 203621520516. Its totient is φ = 67873840170.

The previous prime is 135747680333. The next prime is 135747680359. The reversal of 135747680342 is 243086747531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33936920084 + ... + 33936920087.

It is an arithmetic number, because the mean of its divisors is an integer number (50905380129).

Almost surely, 2^135747680342 is an apocalyptic number.

135747680342 is a deficient number, since it is larger than the sum of its proper divisors (67873840174).

135747680342 is an equidigital number, since it uses as much as digits as its factorization.

135747680342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67873840173.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 135747680342 in words is "one hundred thirty-five billion, seven hundred forty-seven million, six hundred eighty thousand, three hundred forty-two".