1253007138280 has 64 divisors (see below), whose sum is σ = 2971777248000. Its totient is φ = 474163156224.

The previous prime is 1253007138259. The next prime is 1253007138281. The reversal of 1253007138280 is 828317003521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1253007138281) 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, 600079 + ... + 1692958.

It is an arithmetic number, because the mean of its divisors is an integer number (46434019500).

Almost surely, 2^{1253007138280} is an apocalyptic number.

1253007138280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253007138280 is an abundant number, since it is smaller than the sum of its proper divisors (1718770109720).

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

1253007138280 is a wasteful number, since it uses less digits than its factorization.

1253007138280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293786 (or 2293782 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 1253007138280 in words is "one trillion, two hundred fifty-three billion, seven million, one hundred thirty-eight thousand, two hundred eighty".