1263140360238 has 16 divisors (see below), whose sum is σ = 2560887306576. Its totient is φ = 415279022400.

The previous prime is 1263140360221. The next prime is 1263140360269. The reversal of 1263140360238 is 8320630413621.

It is a super-2 number, since 2×1263140360238² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1263140360196 and 1263140360205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441940613 + ... + 1441941488.

It is an arithmetic number, because the mean of its divisors is an integer number (160055456661).

Almost surely, 2^{1263140360238} is an apocalyptic number.

1263140360238 is an abundant number, since it is smaller than the sum of its proper divisors (1297746946338).

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

1263140360238 is a wasteful number, since it uses less digits than its factorization.

1263140360238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883882179.

The product of its (nonzero) digits is 124416, while the sum is 39.

Adding to 1263140360238 its reverse (8320630413621), we get a palindrome (9583770773859).

The spelling of 1263140360238 in words is "one trillion, two hundred sixty-three billion, one hundred forty million, three hundred sixty thousand, two hundred thirty-eight".