137076221 has 8 divisors (see below), whose sum is σ = 139601088. Its totient is φ = 134568000.

The previous prime is 137076169. The next prime is 137076223. The reversal of 137076221 is 122670731.

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

It is a cyclic number.

It is not a de Polignac number, because 137076221 - 2¹⁴ = 137059837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137076223) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 13106 + ... + 21116.

It is an arithmetic number, because the mean of its divisors is an integer number (17450136).

Almost surely, 2^137076221 is an apocalyptic number.

It is an amenable number.

137076221 is a deficient number, since it is larger than the sum of its proper divisors (2524867).

137076221 is an equidigital number, since it uses as much as digits as its factorization.

137076221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8323.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 137076221 is about 11707.9554577219. The cubic root of 137076221 is about 515.6092591509.

The spelling of 137076221 in words is "one hundred thirty-seven million, seventy-six thousand, two hundred twenty-one".