137566804 has 12 divisors (see below), whose sum is σ = 246340864. Its totient is φ = 67183704.

The previous prime is 137566801. The next prime is 137566811. The reversal of 137566804 is 408665731.

It is a happy number.

It is a super-3 number, since 3×137566804³ (a number of 25 digits) contains 333 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137566801) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 399732 + ... + 400075.

Almost surely, 2^137566804 is an apocalyptic number.

It is an amenable number.

137566804 is a deficient number, since it is larger than the sum of its proper divisors (108774060).

137566804 is a wasteful number, since it uses less digits than its factorization.

137566804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799854 (or 799852 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 137566804 is about 11728.8875857858. The cubic root of 137566804 is about 516.2236326079.

The spelling of 137566804 in words is "one hundred thirty-seven million, five hundred sixty-six thousand, eight hundred four".