137452866 has 16 divisors (see below), whose sum is σ = 284385600. Its totient is φ = 44237648.

The previous prime is 137452849. The next prime is 137452867. The reversal of 137452866 is 668254731.

It is a super-2 number, since 2×137452866² = 37786580743227912, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137452867) 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 7 ways as a sum of consecutive naturals, for example, 394806 + ... + 395153.

It is an arithmetic number, because the mean of its divisors is an integer number (17774100).

Almost surely, 2^137452866 is an apocalyptic number.

137452866 is an abundant number, since it is smaller than the sum of its proper divisors (146932734).

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

137452866 is a wasteful number, since it uses less digits than its factorization.

137452866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789993.

The product of its digits is 241920, while the sum is 42.

The square root of 137452866 is about 11724.0294267799. The cubic root of 137452866 is about 516.0810746353.

The spelling of 137452866 in words is "one hundred thirty-seven million, four hundred fifty-two thousand, eight hundred sixty-six".