137701668 has 24 divisors (see below), whose sum is σ = 346019968. Its totient is φ = 42369696.

The previous prime is 137701651. The next prime is 137701673. The reversal of 137701668 is 866107731.

137701668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×137701668³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 441196 + ... + 441507.

Almost surely, 2^137701668 is an apocalyptic number.

It is an amenable number.

137701668 is an abundant number, since it is smaller than the sum of its proper divisors (208318300).

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

137701668 is a wasteful number, since it uses less digits than its factorization.

137701668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882723 (or 882721 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 137701668 is about 11734.6354012385. The cubic root of 137701668 is about 516.3922712708.

The spelling of 137701668 in words is "one hundred thirty-seven million, seven hundred one thousand, six hundred sixty-eight".