1400425143 has 16 divisors (see below), whose sum is σ = 2016278880. Its totient is φ = 859480704.

The previous prime is 1400425141. The next prime is 1400425171. The reversal of 1400425143 is 3415240041.

It is not a de Polignac number, because 1400425143 - 2¹ = 1400425141 is a prime.

It is a super-2 number, since 2×1400425143² = 3922381162293140898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400425141) 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, 33588 + ... + 62681.

It is an arithmetic number, because the mean of its divisors is an integer number (126017430).

Almost surely, 2^1400425143 is an apocalyptic number.

1400425143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1400425143 is a deficient number, since it is larger than the sum of its proper divisors (615853737).

1400425143 is a wasteful number, since it uses less digits than its factorization.

1400425143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96658.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1400425143 is about 37422.2546488049. The cubic root of 1400425143 is about 1118.8021693762.

Adding to 1400425143 its reverse (3415240041), we get a palindrome (4815665184).

The spelling of 1400425143 in words is "one billion, four hundred million, four hundred twenty-five thousand, one hundred forty-three".