137504466 has 144 divisors (see below), whose sum is σ = 362063520. Its totient is φ = 38776320.

The previous prime is 137504459. The next prime is 137504489. The reversal of 137504466 is 664405731.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 137504466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1544950 + ... + 1545038.

It is an arithmetic number, because the mean of its divisors is an integer number (2514330).

Almost surely, 2^137504466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137504466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181031760).

137504466 is an abundant number, since it is smaller than the sum of its proper divisors (224559054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137504466 is a wasteful number, since it uses less digits than its factorization.

137504466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 137504466 is about 11726.2298288921. The cubic root of 137504466 is about 516.1456457440.

The spelling of 137504466 in words is "one hundred thirty-seven million, five hundred four thousand, four hundred sixty-six".