65276139 has 8 divisors (see below), whose sum is σ = 90819072. Its totient is φ = 41625320.

The previous prime is 65276117. The next prime is 65276143. The reversal of 65276139 is 93167256.

65276139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65276139 - 2⁷ = 65276011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65276097 and 65276106.

It is not an unprimeable number, because it can be changed into a prime (65276339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472947 + ... + 473084.

It is an arithmetic number, because the mean of its divisors is an integer number (11352384).

Almost surely, 2^65276139 is an apocalyptic number.

65276139 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

65276139 is a deficient number, since it is larger than the sum of its proper divisors (25542933).

65276139 is a wasteful number, since it uses less digits than its factorization.

65276139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946057.

The product of its digits is 68040, while the sum is 39.

The square root of 65276139 is about 8079.3650121776. The cubic root of 65276139 is about 402.6411454112.

The spelling of 65276139 in words is "sixty-five million, two hundred seventy-six thousand, one hundred thirty-nine".