1357220381829 has 16 divisors (see below), whose sum is σ = 1949090328192. Its totient is φ = 835100659008.

The previous prime is 1357220381789. The next prime is 1357220381831. The reversal of 1357220381829 is 9281830227531.

It is not a de Polignac number, because 1357220381829 - 2²⁵ = 1357186827397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357220381899) 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, 2035569 + ... + 2618774.

It is an arithmetic number, because the mean of its divisors is an integer number (121818145512).

Almost surely, 2^{1357220381829} is an apocalyptic number.

It is an amenable number.

1357220381829 is a deficient number, since it is larger than the sum of its proper divisors (591869946363).

1357220381829 is a wasteful number, since it uses less digits than its factorization.

1357220381829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661836.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 1357220381829 in words is "one trillion, three hundred fifty-seven billion, two hundred twenty million, three hundred eighty-one thousand, eight hundred twenty-nine".