1405434126 has 8 divisors (see below), whose sum is σ = 2810868264. Its totient is φ = 468478040.

The previous prime is 1405434109. The next prime is 1405434127. The reversal of 1405434126 is 6214345041.

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

1405434126 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1405434093 and 1405434102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405434127) 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, 117119505 + ... + 117119516.

It is an arithmetic number, because the mean of its divisors is an integer number (351358533).

Almost surely, 2^1405434126 is an apocalyptic number.

1405434126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1405434126 is a wasteful number, since it uses less digits than its factorization.

1405434126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234239026.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1405434126 is about 37489.1201017042. The cubic root of 1405434126 is about 1120.1344773689.

Adding to 1405434126 its reverse (6214345041), we get a palindrome (7619779167).

The spelling of 1405434126 in words is "one billion, four hundred five million, four hundred thirty-four thousand, one hundred twenty-six".