265214054136 has 64 divisors (see below), whose sum is σ = 692807685120. Its totient is φ = 84445511040.

The previous prime is 265214054129. The next prime is 265214054137. The reversal of 265214054136 is 631450412562.

It is a super-2 number, since 2×265214054136² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265214054094 and 265214054103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265214054137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76881 + ... + 732351.

It is an arithmetic number, because the mean of its divisors is an integer number (10825120080).

Almost surely, 2^265214054136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265214054136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346403842560).

265214054136 is an abundant number, since it is smaller than the sum of its proper divisors (427593630984).

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

265214054136 is a wasteful number, since it uses less digits than its factorization.

265214054136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656236 (or 656232 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 265214054136 its reverse (631450412562), we get a palindrome (896664466698).

The spelling of 265214054136 in words is "two hundred sixty-five billion, two hundred fourteen million, fifty-four thousand, one hundred thirty-six".