265150138765 has 8 divisors (see below), whose sum is σ = 320995920888. Its totient is φ = 210242941440.

The previous prime is 265150138763. The next prime is 265150138811. The reversal of 265150138765 is 567831051562.

It can be written as a sum of positive squares in 4 ways, for example, as 6519916516 + 258630222249 = 80746^2 + 508557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 265150138765 - 2¹ = 265150138763 is a prime.

It is a super-3 number, since 3×265150138765³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265150138763) 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, 234645576 + ... + 234646705.

It is an arithmetic number, because the mean of its divisors is an integer number (40124490111).

Almost surely, 2^265150138765 is an apocalyptic number.

It is an amenable number.

265150138765 is a deficient number, since it is larger than the sum of its proper divisors (55845782123).

265150138765 is a wasteful number, since it uses less digits than its factorization.

265150138765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469292399.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 265150138765 in words is "two hundred sixty-five billion, one hundred fifty million, one hundred thirty-eight thousand, seven hundred sixty-five".