1421040402134 has 8 divisors (see below), whose sum is σ = 2142604959240. Its totient is φ = 706838749056.

The previous prime is 1421040402083. The next prime is 1421040402139. The reversal of 1421040402134 is 4312040401241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421040402139) 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, 1840725524 + ... + 1840726295.

It is an arithmetic number, because the mean of its divisors is an integer number (267825619905).

Almost surely, 2^{1421040402134} is an apocalyptic number.

1421040402134 is a deficient number, since it is larger than the sum of its proper divisors (721564557106).

1421040402134 is a wasteful number, since it uses less digits than its factorization.

1421040402134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681452014.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1421040402134 its reverse (4312040401241), we get a palindrome (5733080803375).

The spelling of 1421040402134 in words is "one trillion, four hundred twenty-one billion, forty million, four hundred two thousand, one hundred thirty-four".