1373138212571 has 8 divisors (see below), whose sum is σ = 1423941808224. Its totient is φ = 1323055235520.

The previous prime is 1373138212543. The next prime is 1373138212583. The reversal of 1373138212571 is 1752128313731.

It is a happy number.

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 1373138212571 - 2⁶ = 1373138212507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373138212531) 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, 180150770 + ... + 180158391.

It is an arithmetic number, because the mean of its divisors is an integer number (177992726028).

Almost surely, 2^{1373138212571} is an apocalyptic number.

1373138212571 is a deficient number, since it is larger than the sum of its proper divisors (50803595653).

1373138212571 is a wasteful number, since it uses less digits than its factorization.

1373138212571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360309301.

The product of its digits is 211680, while the sum is 44.

The spelling of 1373138212571 in words is "one trillion, three hundred seventy-three billion, one hundred thirty-eight million, two hundred twelve thousand, five hundred seventy-one".