1253401036534 has 4 divisors (see below), whose sum is σ = 1880101554804. Its totient is φ = 626700518266.

The previous prime is 1253401036507. The next prime is 1253401036583. The reversal of 1253401036534 is 4356301043521.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1253401036493 and 1253401036502.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 313350259132 + ... + 313350259135.

It is an arithmetic number, because the mean of its divisors is an integer number (470025388701).

Almost surely, 2^{1253401036534} is an apocalyptic number.

1253401036534 is a deficient number, since it is larger than the sum of its proper divisors (626700518270).

1253401036534 is an equidigital number, since it uses as much as digits as its factorization.

1253401036534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626700518269.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 1253401036534 in words is "one trillion, two hundred fifty-three billion, four hundred one million, thirty-six thousand, five hundred thirty-four".