1401435434 has 16 divisors (see below), whose sum is σ = 2447791488. Its totient is φ = 589282512.

The previous prime is 1401435377. The next prime is 1401435439. The reversal of 1401435434 is 4345341041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1401435397 and 1401435406.

It is not an unprimeable number, because it can be changed into a prime (1401435439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943622 + ... + 945105.

It is an arithmetic number, because the mean of its divisors is an integer number (152986968).

Almost surely, 2^1401435434 is an apocalyptic number.

1401435434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1401435434 is a deficient number, since it is larger than the sum of its proper divisors (1046356054).

1401435434 is a wasteful number, since it uses less digits than its factorization.

1401435434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888789.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1401435434 is about 37435.7507471134. The cubic root of 1401435434 is about 1119.0711458051.

Adding to 1401435434 its reverse (4345341041), we get a palindrome (5746776475).

The spelling of 1401435434 in words is "one billion, four hundred one million, four hundred thirty-five thousand, four hundred thirty-four".