65120356 has 24 divisors (see below), whose sum is σ = 131535936. Its totient is φ = 27631200.

The previous prime is 65120351. The next prime is 65120357. The reversal of 65120356 is 65302156.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (65120351) 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, 8686 + ... + 14341.

It is an arithmetic number, because the mean of its divisors is an integer number (5480664).

Almost surely, 2^65120356 is an apocalyptic number.

It is an amenable number.

65120356 is an abundant number, since it is smaller than the sum of its proper divisors (66415580).

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

65120356 is a wasteful number, since it uses less digits than its factorization.

65120356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23139 (or 23137 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 65120356 is about 8069.7184585337. The cubic root of 65120356 is about 402.3205861650.

The spelling of 65120356 in words is "sixty-five million, one hundred twenty thousand, three hundred fifty-six".