1421186145674 has 32 divisors (see below), whose sum is σ = 2148966028800. Its totient is φ = 704885831280.

The previous prime is 1421186145649. The next prime is 1421186145679. The reversal of 1421186145674 is 4765416811241.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1421186145679) 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, 387136859 + ... + 387140529.

It is an arithmetic number, because the mean of its divisors is an integer number (67155188400).

Almost surely, 2^{1421186145674} is an apocalyptic number.

1421186145674 is a deficient number, since it is larger than the sum of its proper divisors (727779883126).

1421186145674 is a wasteful number, since it uses less digits than its factorization.

1421186145674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218.

The product of its digits is 1290240, while the sum is 50.

The spelling of 1421186145674 in words is "one trillion, four hundred twenty-one billion, one hundred eighty-six million, one hundred forty-five thousand, six hundred seventy-four".