1420404432135 has 32 divisors (see below), whose sum is σ = 2448306114240. Its totient is φ = 699036023808.

The previous prime is 1420404432067. The next prime is 1420404432137. The reversal of 1420404432135 is 5312344040241.

It is not a de Polignac number, because 1420404432135 - 2⁸ = 1420404431879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420404432096 and 1420404432105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420404432137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 679750 + ... + 1817379.

It is an arithmetic number, because the mean of its divisors is an integer number (76509566070).

Almost surely, 2^{1420404432135} is an apocalyptic number.

1420404432135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420404432135 is a deficient number, since it is larger than the sum of its proper divisors (1027901682105).

1420404432135 is a wasteful number, since it uses less digits than its factorization.

1420404432135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500067.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 1420404432135 its reverse (5312344040241), we get a palindrome (6732748472376).

The spelling of 1420404432135 in words is "one trillion, four hundred twenty billion, four hundred four million, four hundred thirty-two thousand, one hundred thirty-five".