137964242 has 8 divisors (see below), whose sum is σ = 222865356. Its totient is φ = 63675792.

The previous prime is 137964241. The next prime is 137964251. The reversal of 137964242 is 242469731.

137964242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 102191881 + 35772361 = 10109^2 + 5981^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 137964196 and 137964205.

It is not an unprimeable number, because it can be changed into a prime (137964241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653133 + ... + 2653184.

Almost surely, 2^137964242 is an apocalyptic number.

137964242 is a deficient number, since it is larger than the sum of its proper divisors (84901114).

137964242 is a wasteful number, since it uses less digits than its factorization.

137964242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306332.

The product of its digits is 72576, while the sum is 38.

The square root of 137964242 is about 11745.8180643155. The cubic root of 137964242 is about 516.7202873705.

The spelling of 137964242 in words is "one hundred thirty-seven million, nine hundred sixty-four thousand, two hundred forty-two".