265135143132064 has 24 divisors (see below), whose sum is σ = 521985305939328. Its totient is φ = 132567446385600.

The previous prime is 265135143132061. The next prime is 265135143132107. The reversal of 265135143132064 is 460231341531562.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (265135143132061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37130769 + ... + 43691695.

It is an arithmetic number, because the mean of its divisors is an integer number (21749387747472).

Almost surely, 2^{265135143132064} is an apocalyptic number.

It is an amenable number.

265135143132064 is a deficient number, since it is larger than the sum of its proper divisors (256850162807264).

265135143132064 is a wasteful number, since it uses less digits than its factorization.

265135143132064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823788 (or 7823780 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 265135143132064 in words is "two hundred sixty-five trillion, one hundred thirty-five billion, one hundred forty-three million, one hundred thirty-two thousand, sixty-four".