1264012525139 has 8 divisors (see below), whose sum is σ = 1555707723360. Its totient is φ = 1000097822016.

The previous prime is 1264012525129. The next prime is 1264012525159. The reversal of 1264012525139 is 9315252104621.

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 1264012525139 - 2³⁶ = 1195293048403 is a prime.

It is a super-3 number, since 3×1264012525139³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1264012525096 and 1264012525105.

It is not an unprimeable number, because it can be changed into a prime (1264012525129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6945123674 + ... + 6945123855.

It is an arithmetic number, because the mean of its divisors is an integer number (194463465420).

Almost surely, 2^{1264012525139} is an apocalyptic number.

1264012525139 is a deficient number, since it is larger than the sum of its proper divisors (291695198221).

1264012525139 is a wasteful number, since it uses less digits than its factorization.

1264012525139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890247549.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 1264012525139 in words is "one trillion, two hundred sixty-four billion, twelve million, five hundred twenty-five thousand, one hundred thirty-nine".