137042742 has 8 divisors (see below), whose sum is σ = 274085496. Its totient is φ = 45680912.

The previous prime is 137042713. The next prime is 137042747. The reversal of 137042742 is 247240731.

It is a sphenic number, since it is the product of 3 distinct primes.

137042742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137042747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11420223 + ... + 11420234.

It is an arithmetic number, because the mean of its divisors is an integer number (34260687).

Almost surely, 2^137042742 is an apocalyptic number.

137042742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137042742 is a wasteful number, since it uses less digits than its factorization.

137042742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22840462.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 137042742 is about 11706.5256160827. The cubic root of 137042742 is about 515.5672788867.

The spelling of 137042742 in words is "one hundred thirty-seven million, forty-two thousand, seven hundred forty-two".