137480866 has 4 divisors (see below), whose sum is σ = 206221302. Its totient is φ = 68740432.

The previous prime is 137480857. The next prime is 137480879. The reversal of 137480866 is 668084731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668084731 = 409 ⋅1633459.

It can be written as a sum of positive squares in only one way, i.e., 122434225 + 15046641 = 11065^2 + 3879^2 .

It is a super-2 number, since 2×137480866² = 37801977032219912, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 34370215 + ... + 34370218.

Almost surely, 2^137480866 is an apocalyptic number.

137480866 is a deficient number, since it is larger than the sum of its proper divisors (68740436).

137480866 is an equidigital number, since it uses as much as digits as its factorization.

137480866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68740435.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 137480866 is about 11725.2234946716. The cubic root of 137480866 is about 516.1161152264.

The spelling of 137480866 in words is "one hundred thirty-seven million, four hundred eighty thousand, eight hundred sixty-six".