1400954289 has 16 divisors (see below), whose sum is σ = 2135411712. Its totient is φ = 800311248.

The previous prime is 1400954287. The next prime is 1400954323. The reversal of 1400954289 is 9824590041.

It is not a de Polignac number, because 1400954289 - 2¹ = 1400954287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400954289.

It is not an unprimeable number, because it can be changed into a prime (1400954287) 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, 85342 + ... + 100424.

It is an arithmetic number, because the mean of its divisors is an integer number (133463232).

Almost surely, 2^1400954289 is an apocalyptic number.

It is an amenable number.

1400954289 is a deficient number, since it is larger than the sum of its proper divisors (734457423).

1400954289 is a wasteful number, since it uses less digits than its factorization.

1400954289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19516.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1400954289 is about 37429.3239185535. The cubic root of 1400954289 is about 1118.9430635298.

The spelling of 1400954289 in words is "one billion, four hundred million, nine hundred fifty-four thousand, two hundred eighty-nine".