1421313434138 has 32 divisors (see below), whose sum is σ = 2302888190400. Its totient is φ = 654015882240.

The previous prime is 1421313434137. The next prime is 1421313434153. The reversal of 1421313434138 is 8314343131241.

It is a super-2 number, since 2×1421313434138² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421313434131) 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, 15023981 + ... + 15118287.

It is an arithmetic number, because the mean of its divisors is an integer number (71965255950).

Almost surely, 2^{1421313434138} is an apocalyptic number.

1421313434138 is a deficient number, since it is larger than the sum of its proper divisors (881574756262).

1421313434138 is a wasteful number, since it uses less digits than its factorization.

1421313434138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96062.

The product of its digits is 82944, while the sum is 38.

Adding to 1421313434138 its reverse (8314343131241), we get a palindrome (9735656565379).

The spelling of 1421313434138 in words is "one trillion, four hundred twenty-one billion, three hundred thirteen million, four hundred thirty-four thousand, one hundred thirty-eight".