1380075336421 has 4 divisors (see below), whose sum is σ = 1380107724352. Its totient is φ = 1380042948492.

The previous prime is 1380075336413. The next prime is 1380075336443. The reversal of 1380075336421 is 1246335700831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1380075336421 - 2³ = 1380075336413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380075336221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16129965 + ... + 16215298.

It is an arithmetic number, because the mean of its divisors is an integer number (345026931088).

Almost surely, 2^{1380075336421} is an apocalyptic number.

It is an amenable number.

1380075336421 is a deficient number, since it is larger than the sum of its proper divisors (32387931).

1380075336421 is an equidigital number, since it uses as much as digits as its factorization.

1380075336421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32387930.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 1380075336421 in words is "one trillion, three hundred eighty billion, seventy-five million, three hundred thirty-six thousand, four hundred twenty-one".