137242634 has 4 divisors (see below), whose sum is σ = 205863954. Its totient is φ = 68621316.

The previous prime is 137242631. The next prime is 137242639. The reversal of 137242634 is 436242731.

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

It can be written as a sum of positive squares in only one way, i.e., 102961609 + 34281025 = 10147^2 + 5855^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 137242634.

It is not an unprimeable number, because it can be changed into a prime (137242631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34310657 + ... + 34310660.

Almost surely, 2^137242634 is an apocalyptic number.

137242634 is a deficient number, since it is larger than the sum of its proper divisors (68621320).

137242634 is an equidigital number, since it uses as much as digits as its factorization.

137242634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68621319.

The product of its digits is 24192, while the sum is 32.

The square root of 137242634 is about 11715.0601364227. The cubic root of 137242634 is about 515.8178277460.

The spelling of 137242634 in words is "one hundred thirty-seven million, two hundred forty-two thousand, six hundred thirty-four".