65148913 has 8 divisors (see below), whose sum is σ = 70586208. Its totient is φ = 59889984.

The previous prime is 65148901. The next prime is 65148931. The reversal of 65148913 is 31984156.

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 65148913 - 2²¹ = 63051761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65148113) 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, 43831 + ... + 45292.

It is an arithmetic number, because the mean of its divisors is an integer number (8823276).

Almost surely, 2^65148913 is an apocalyptic number.

It is an amenable number.

65148913 is a deficient number, since it is larger than the sum of its proper divisors (5437295).

65148913 is a wasteful number, since it uses less digits than its factorization.

65148913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89183.

The product of its digits is 25920, while the sum is 37.

The square root of 65148913 is about 8071.4876571794. The cubic root of 65148913 is about 402.3793869797.

The spelling of 65148913 in words is "sixty-five million, one hundred forty-eight thousand, nine hundred thirteen".