137422605 has 16 divisors (see below), whose sum is σ = 220051584. Its totient is φ = 73233600.

The previous prime is 137422583. The next prime is 137422609. The reversal of 137422605 is 506224731.

It is not a de Polignac number, because 137422605 - 2⁶ = 137422541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137422609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21255 + ... + 26955.

It is an arithmetic number, because the mean of its divisors is an integer number (13753224).

Almost surely, 2^137422605 is an apocalyptic number.

137422605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137422605 is a deficient number, since it is larger than the sum of its proper divisors (82628979).

137422605 is a wasteful number, since it uses less digits than its factorization.

137422605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7316.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 137422605 is about 11722.7388011505. The cubic root of 137422605 is about 516.0431991656.

The spelling of 137422605 in words is "one hundred thirty-seven million, four hundred twenty-two thousand, six hundred five".