137652722 has 8 divisors (see below), whose sum is σ = 209864172. Its totient is φ = 67698000.

The previous prime is 137652719. The next prime is 137652727. The reversal of 137652722 is 227256731.

It can be written as a sum of positive squares in 2 ways, for example, as 133656721 + 3996001 = 11561^2 + 1999^2 .

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

It is not an unprimeable number, because it can be changed into a prime (137652727) 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, 564029 + ... + 564272.

Almost surely, 2^137652722 is an apocalyptic number.

137652722 is a deficient number, since it is larger than the sum of its proper divisors (72211450).

137652722 is a wasteful number, since it uses less digits than its factorization.

137652722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128364.

The product of its digits is 35280, while the sum is 35.

The square root of 137652722 is about 11732.5496802698. The cubic root of 137652722 is about 516.3310802149.

The spelling of 137652722 in words is "one hundred thirty-seven million, six hundred fifty-two thousand, seven hundred twenty-two".