1400143012 has 12 divisors (see below), whose sum is σ = 2463940080. Its totient is φ = 696160136.

The previous prime is 1400142973. The next prime is 1400143013. The reversal of 1400143012 is 2103410041.

It is a super-3 number, since 3×1400143012³ (a number of 28 digits) contains 333 as substring.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977038 + ... + 978469.

It is an arithmetic number, because the mean of its divisors is an integer number (205328340).

Almost surely, 2^1400143012 is an apocalyptic number.

It is an amenable number.

1400143012 is a deficient number, since it is larger than the sum of its proper divisors (1063797068).

1400143012 is a wasteful number, since it uses less digits than its factorization.

1400143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955690 (or 1955688 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1400143012 is about 37418.4848971735. The cubic root of 1400143012 is about 1118.7270326756.

Adding to 1400143012 its reverse (2103410041), we get a palindrome (3503553053).

The spelling of 1400143012 in words is "one billion, four hundred million, one hundred forty-three thousand, twelve".