1400145411 has 32 divisors (see below), whose sum is σ = 2211840000. Its totient is φ = 770948640.

The previous prime is 1400145377. The next prime is 1400145413. The reversal of 1400145411 is 1145410041.

It is not a de Polignac number, because 1400145411 - 2¹¹ = 1400143363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1400145413) 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 31 ways as a sum of consecutive naturals, for example, 151090 + ... + 160088.

It is an arithmetic number, because the mean of its divisors is an integer number (69120000).

Almost surely, 2^1400145411 is an apocalyptic number.

1400145411 is a deficient number, since it is larger than the sum of its proper divisors (811694589).

1400145411 is a wasteful number, since it uses less digits than its factorization.

1400145411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9279.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1400145411 is about 37418.5169535085. The cubic root of 1400145411 is about 1118.7276716162.

Adding to 1400145411 its reverse (1145410041), we get a palindrome (2545555452).

The spelling of 1400145411 in words is "one billion, four hundred million, one hundred forty-five thousand, four hundred eleven".