137066730 has 16 divisors (see below), whose sum is σ = 328960224. Its totient is φ = 36551120.

The previous prime is 137066701. The next prime is 137066749. The reversal of 137066730 is 37660731.

137066730 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 137066691 and 137066700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2284416 + ... + 2284475.

It is an arithmetic number, because the mean of its divisors is an integer number (20560014).

Almost surely, 2^137066730 is an apocalyptic number.

137066730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137066730 is an abundant number, since it is smaller than the sum of its proper divisors (191893494).

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

137066730 is a wasteful number, since it uses less digits than its factorization.

137066730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568901.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 137066730 is about 11707.5501280157. The cubic root of 137066730 is about 515.5973588121.

The spelling of 137066730 in words is "one hundred thirty-seven million, sixty-six thousand, seven hundred thirty".