137643505210 has 8 divisors (see below), whose sum is σ = 247758309396. Its totient is φ = 55057402080.

The previous prime is 137643505189. The next prime is 137643505231. The reversal of 137643505210 is 12505346731.

It is an interprime number because it is at equal distance from previous prime (137643505189) and next prime (137643505231).

It can be written as a sum of positive squares in 2 ways, for example, as 135720770409 + 1922734801 = 368403^2 + 43849^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 137643505210.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6882175251 + ... + 6882175270.

Almost surely, 2^137643505210 is an apocalyptic number.

137643505210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137643505210 is a deficient number, since it is larger than the sum of its proper divisors (110114804186).

137643505210 is a wasteful number, since it uses less digits than its factorization.

137643505210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13764350528.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 137643505210 in words is "one hundred thirty-seven billion, six hundred forty-three million, five hundred five thousand, two hundred ten".