137472446 has 4 divisors (see below), whose sum is σ = 206208672. Its totient is φ = 68736222.

The previous prime is 137472443. The next prime is 137472463. The reversal of 137472446 is 644274731.

137472446 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 is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137472443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34368110 + ... + 34368113.

It is an arithmetic number, because the mean of its divisors is an integer number (51552168).

Almost surely, 2^137472446 is an apocalyptic number.

137472446 is a deficient number, since it is larger than the sum of its proper divisors (68736226).

137472446 is an equidigital number, since it uses as much as digits as its factorization.

137472446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68736225.

The product of its digits is 112896, while the sum is 38.

The square root of 137472446 is about 11724.8644341843. The cubic root of 137472446 is about 516.1055785203.

The spelling of 137472446 in words is "one hundred thirty-seven million, four hundred seventy-two thousand, four hundred forty-six".