136357742 has 4 divisors (see below), whose sum is σ = 204536616. Its totient is φ = 68178870.

The previous prime is 136357721. The next prime is 136357751. The reversal of 136357742 is 247753631.

136357742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 136357696 and 136357705.

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, 34089434 + ... + 34089437.

It is an arithmetic number, because the mean of its divisors is an integer number (51134154).

Almost surely, 2^136357742 is an apocalyptic number.

136357742 is a deficient number, since it is larger than the sum of its proper divisors (68178874).

136357742 is an equidigital number, since it uses as much as digits as its factorization.

136357742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68178873.

The product of its digits is 105840, while the sum is 38.

The square root of 136357742 is about 11677.2317781228. The cubic root of 136357742 is about 514.7068328616.

The spelling of 136357742 in words is "one hundred thirty-six million, three hundred fifty-seven thousand, seven hundred forty-two".