137643107 has 12 divisors (see below), whose sum is σ = 160886376. Its totient is φ = 117411840.

The previous prime is 137643091. The next prime is 137643127. The reversal of 137643107 is 701346731.

It is not a de Polignac number, because 137643107 - 2⁴ = 137643091 is a prime.

It is a super-2 number, since 2×137643107² = 37891249809226898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137643127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3683 + ... + 16995.

It is an arithmetic number, because the mean of its divisors is an integer number (13407198).

Almost surely, 2^137643107 is an apocalyptic number.

137643107 is a deficient number, since it is larger than the sum of its proper divisors (23243269).

137643107 is a wasteful number, since it uses less digits than its factorization.

137643107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13538 (or 13531 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 137643107 is about 11732.1399156335. The cubic root of 137643107 is about 516.3190580796.

Adding to 137643107 its reverse (701346731), we get a palindrome (838989838).

The spelling of 137643107 in words is "one hundred thirty-seven million, six hundred forty-three thousand, one hundred seven".