65670137 has 8 divisors (see below), whose sum is σ = 74444160. Its totient is φ = 57427920.

The previous prime is 65670131. The next prime is 65670149. The reversal of 65670137 is 73107656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65670137 - 2¹⁶ = 65604601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65670097 and 65670106.

It is not an unprimeable number, because it can be changed into a prime (65670131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132689 + ... + 133182.

It is an arithmetic number, because the mean of its divisors is an integer number (9305520).

Almost surely, 2^65670137 is an apocalyptic number.

It is an amenable number.

65670137 is a deficient number, since it is larger than the sum of its proper divisors (8774023).

65670137 is a wasteful number, since it uses less digits than its factorization.

65670137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265903.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 65670137 is about 8103.7113102578. The cubic root of 65670137 is about 403.4496169204.

The spelling of 65670137 in words is "sixty-five million, six hundred seventy thousand, one hundred thirty-seven".