1434434140 has 12 divisors (see below), whose sum is σ = 3012311736. Its totient is φ = 573773648.

The previous prime is 1434434129. The next prime is 1434434153. The reversal of 1434434140 is 414344341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1434434099 and 1434434108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35860834 + ... + 35860873.

It is an arithmetic number, because the mean of its divisors is an integer number (251025978).

Almost surely, 2^1434434140 is an apocalyptic number.

1434434140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1434434140 is an abundant number, since it is smaller than the sum of its proper divisors (1577877596).

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

1434434140 is a wasteful number, since it uses less digits than its factorization.

1434434140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71721716 (or 71721714 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1434434140 is about 37873.9242751527. The cubic root of 1434434140 is about 1127.7864464611.

Adding to 1434434140 its reverse (414344341), we get a palindrome (1848778481).

It can be divided in two parts, 14344 and 34140, that multiplied together give a triangular number (489704160 = T₃₁₂₉₅).

The spelling of 1434434140 in words is "one billion, four hundred thirty-four million, four hundred thirty-four thousand, one hundred forty".