1400189211 has 24 divisors (see below), whose sum is σ = 2132130000. Its totient is φ = 883006272.

The previous prime is 1400189209. The next prime is 1400189227. The reversal of 1400189211 is 1129810041.

It is not a de Polignac number, because 1400189211 - 2¹ = 1400189209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1400189201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115465 + ... + 127013.

It is an arithmetic number, because the mean of its divisors is an integer number (88838750).

Almost surely, 2^1400189211 is an apocalyptic number.

1400189211 is a deficient number, since it is larger than the sum of its proper divisors (731940789).

1400189211 is a wasteful number, since it uses less digits than its factorization.

1400189211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283 (or 12280 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1400189211 is about 37419.1022206573. The cubic root of 1400189211 is about 1118.7393370144.

Adding to 1400189211 its reverse (1129810041), we get a palindrome (2529999252).

The spelling of 1400189211 in words is "one billion, four hundred million, one hundred eighty-nine thousand, two hundred eleven".