1421167574138 has 8 divisors (see below), whose sum is σ = 2295732235188. Its totient is φ = 655923495744.

The previous prime is 1421167574117. The next prime is 1421167574171. The reversal of 1421167574138 is 8314757611241.

It can be written as a sum of positive squares in 2 ways, for example, as 1400489996929 + 20677577209 = 1183423^2 + 143797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 27330145631 + ... + 27330145682.

Almost surely, 2^{1421167574138} is an apocalyptic number.

1421167574138 is a deficient number, since it is larger than the sum of its proper divisors (874564661050).

1421167574138 is a wasteful number, since it uses less digits than its factorization.

1421167574138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54660291328.

The product of its digits is 1128960, while the sum is 50.

The spelling of 1421167574138 in words is "one trillion, four hundred twenty-one billion, one hundred sixty-seven million, five hundred seventy-four thousand, one hundred thirty-eight".