137664627 has 8 divisors (see below), whose sum is σ = 184873920. Its totient is φ = 91115880.

The previous prime is 137664607. The next prime is 137664647. The reversal of 137664627 is 726466731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (137664607) and next prime (137664647).

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

It is not a de Polignac number, because 137664627 - 2⁶ = 137664563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137664607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164649 + ... + 165482.

It is an arithmetic number, because the mean of its divisors is an integer number (23109240).

Almost surely, 2^137664627 is an apocalyptic number.

137664627 is a deficient number, since it is larger than the sum of its proper divisors (47209293).

137664627 is a wasteful number, since it uses less digits than its factorization.

137664627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330273.

The product of its digits is 254016, while the sum is 42.

The square root of 137664627 is about 11733.0570185268. The cubic root of 137664627 is about 516.3459648807.

The spelling of 137664627 in words is "one hundred thirty-seven million, six hundred sixty-four thousand, six hundred twenty-seven".