1431200134434 has 128 divisors (see below), whose sum is σ = 3490595154432. Its totient is φ = 381887447040.

The previous prime is 1431200134393. The next prime is 1431200134513. The reversal of 1431200134434 is 4344310021341.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54694314 + ... + 54720474.

It is an arithmetic number, because the mean of its divisors is an integer number (27270274644).

Almost surely, 2^{1431200134434} is an apocalyptic number.

1431200134434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1431200134434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745297577216).

1431200134434 is an abundant number, since it is smaller than the sum of its proper divisors (2059395019998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431200134434 is a wasteful number, since it uses less digits than its factorization.

1431200134434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26780.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1431200134434 its reverse (4344310021341), we get a palindrome (5775510155775).

The spelling of 1431200134434 in words is "one trillion, four hundred thirty-one billion, two hundred million, one hundred thirty-four thousand, four hundred thirty-four".