1400143011 has 16 divisors (see below), whose sum is σ = 1927276704. Its totient is φ = 903481344.

The previous prime is 1400142973. The next prime is 1400143013. The reversal of 1400143011 is 1103410041.

It is not a de Polignac number, because 1400143011 - 2⁷ = 1400142883 is a prime.

It is a super-2 number, since 2×1400143011² = 3920800902504292242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400143013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11256 + ... + 54101.

It is an arithmetic number, because the mean of its divisors is an integer number (120454794).

Almost surely, 2^1400143011 is an apocalyptic number.

1400143011 is a deficient number, since it is larger than the sum of its proper divisors (527133693).

1400143011 is a wasteful number, since it uses less digits than its factorization.

1400143011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65590.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1400143011 is about 37418.4848838111. The cubic root of 1400143011 is about 1118.7270324093.

Adding to 1400143011 its reverse (1103410041), we get a palindrome (2503553052).

The spelling of 1400143011 in words is "one billion, four hundred million, one hundred forty-three thousand, eleven".