137422006 has 4 divisors (see below), whose sum is σ = 206133012. Its totient is φ = 68711002.

The previous prime is 137421997. The next prime is 137422007. The reversal of 137422006 is 600224731.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137422007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34355500 + ... + 34355503.

It is an arithmetic number, because the mean of its divisors is an integer number (51533253).

Almost surely, 2^137422006 is an apocalyptic number.

137422006 is a deficient number, since it is larger than the sum of its proper divisors (68711006).

137422006 is an equidigital number, since it uses as much as digits as its factorization.

137422006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68711005.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 137422006 is about 11722.7132524855. The cubic root of 137422006 is about 516.0424493852.

Adding to 137422006 its reverse (600224731), we get a palindrome (737646737).

The spelling of 137422006 in words is "one hundred thirty-seven million, four hundred twenty-two thousand, six".