1400133505 has 16 divisors (see below), whose sum is σ = 1708087104. Its totient is φ = 1101545280.

The previous prime is 1400133491. The next prime is 1400133509. The reversal of 1400133505 is 5053310041.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1400133505 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400133509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218274 + ... + 224596.

It is an arithmetic number, because the mean of its divisors is an integer number (106755444).

Almost surely, 2^1400133505 is an apocalyptic number.

It is an amenable number.

1400133505 is a deficient number, since it is larger than the sum of its proper divisors (307953599).

1400133505 is an equidigital number, since it uses as much as digits as its factorization.

1400133505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1400133505 is about 37418.3578608148. The cubic root of 1400133505 is about 1118.7245006100.

Adding to 1400133505 its reverse (5053310041), we get a palindrome (6453443546).

The spelling of 1400133505 in words is "one billion, four hundred million, one hundred thirty-three thousand, five hundred five".