137845426 has 4 divisors (see below), whose sum is σ = 206768142. Its totient is φ = 68922712.

The previous prime is 137845397. The next prime is 137845429. The reversal of 137845426 is 624548731.

137845426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 135699201 + 2146225 = 11649^2 + 1465^2 .

It is a super-2 number, since 2×137845426² = 38002722938242952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (137845429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34461355 + ... + 34461358.

Almost surely, 2^137845426 is an apocalyptic number.

137845426 is a deficient number, since it is larger than the sum of its proper divisors (68922716).

137845426 is an equidigital number, since it uses as much as digits as its factorization.

137845426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68922715.

The product of its digits is 161280, while the sum is 40.

The square root of 137845426 is about 11740.7591747723. The cubic root of 137845426 is about 516.5719101057.

The spelling of 137845426 in words is "one hundred thirty-seven million, eight hundred forty-five thousand, four hundred twenty-six".