137227742 has 4 divisors (see below), whose sum is σ = 205841616. Its totient is φ = 68613870.

The previous prime is 137227693. The next prime is 137227787. The reversal of 137227742 is 247722731.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34306934 + ... + 34306937.

It is an arithmetic number, because the mean of its divisors is an integer number (51460404).

Almost surely, 2^137227742 is an apocalyptic number.

137227742 is a deficient number, since it is larger than the sum of its proper divisors (68613874).

137227742 is an equidigital number, since it uses as much as digits as its factorization.

137227742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68613873.

The product of its digits is 32928, while the sum is 35.

The square root of 137227742 is about 11714.4245270521. The cubic root of 137227742 is about 515.7991701886.

The spelling of 137227742 in words is "one hundred thirty-seven million, two hundred twenty-seven thousand, seven hundred forty-two".