136537742 has 16 divisors (see below), whose sum is σ = 231130800. Its totient is φ = 59922240.

The previous prime is 136537721. The next prime is 136537747. The reversal of 136537742 is 247735631.

It is a junction number, because it is equal to n+sod(n) for n = 136537696 and 136537705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136537747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106367 + ... + 107642.

It is an arithmetic number, because the mean of its divisors is an integer number (14445675).

Almost surely, 2^136537742 is an apocalyptic number.

136537742 is a deficient number, since it is larger than the sum of its proper divisors (94593058).

136537742 is a wasteful number, since it uses less digits than its factorization.

136537742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214051.

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

The square root of 136537742 is about 11684.9365424036. The cubic root of 136537742 is about 514.9332140749.

The spelling of 136537742 in words is "one hundred thirty-six million, five hundred thirty-seven thousand, seven hundred forty-two".