1400130020 has 12 divisors (see below), whose sum is σ = 2940273084. Its totient is φ = 560052000.

The previous prime is 1400130019. The next prime is 1400130029. The reversal of 1400130020 is 200310041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 483736036 + 916393984 = 21994^2 + 30272^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1400129983 and 1400130010.

It is not an unprimeable number, because it can be changed into a prime (1400130029) 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, 35003231 + ... + 35003270.

It is an arithmetic number, because the mean of its divisors is an integer number (245022757).

Almost surely, 2^1400130020 is an apocalyptic number.

1400130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400130020 is an abundant number, since it is smaller than the sum of its proper divisors (1540143064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400130020 is a wasteful number, since it uses less digits than its factorization.

1400130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70006510 (or 70006508 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1400130020 is about 37418.3112927347. The cubic root of 1400130020 is about 1118.7235724228.

Adding to 1400130020 its reverse (200310041), we get a palindrome (1600440061).

The spelling of 1400130020 in words is "one billion, four hundred million, one hundred thirty thousand, twenty".