1400054243 has 8 divisors (see below), whose sum is σ = 1637273088. Its totient is φ = 1172138184.

The previous prime is 1400054219. The next prime is 1400054269. The reversal of 1400054243 is 3424500041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1400054243 - 2²² = 1395859939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400054203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2325371 + ... + 2325972.

It is an arithmetic number, because the mean of its divisors is an integer number (204659136).

Almost surely, 2^1400054243 is an apocalyptic number.

1400054243 is a deficient number, since it is larger than the sum of its proper divisors (237218845).

1400054243 is an equidigital number, since it uses as much as digits as its factorization.

1400054243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651393.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1400054243 is about 37417.2987132957. The cubic root of 1400054243 is about 1118.7033897625.

Adding to 1400054243 its reverse (3424500041), we get a palindrome (4824554284).

The spelling of 1400054243 in words is "one billion, four hundred million, fifty-four thousand, two hundred forty-three".