1434436381 has 16 divisors (see below), whose sum is σ = 1681698816. Its totient is φ = 1197993456.

The previous prime is 1434436363. The next prime is 1434436397. The reversal of 1434436381 is 1836344341.

It is a cyclic number.

It is not a de Polignac number, because 1434436381 - 2⁷ = 1434436253 is a prime.

It is a super-2 number, since 2×1434436381² = 4115215462272754322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1434436381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434436321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65080 + ... + 84286.

It is an arithmetic number, because the mean of its divisors is an integer number (105106176).

Almost surely, 2^1434436381 is an apocalyptic number.

It is an amenable number.

1434436381 is a deficient number, since it is larger than the sum of its proper divisors (247262435).

1434436381 is a wasteful number, since it uses less digits than its factorization.

1434436381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19488.

The product of its digits is 82944, while the sum is 37.

The square root of 1434436381 is about 37873.9538601398. The cubic root of 1434436381 is about 1127.7870337701.

The spelling of 1434436381 in words is "one billion, four hundred thirty-four million, four hundred thirty-six thousand, three hundred eighty-one".