1400271000 has 128 divisors (see below), whose sum is σ = 4462248960. Its totient is φ = 365424000.

The previous prime is 1400270947. The next prime is 1400271001. The reversal of 1400271000 is 1720041.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400271001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136035 + ... + 145965.

It is an arithmetic number, because the mean of its divisors is an integer number (34861320).

Almost surely, 2^1400271000 is an apocalyptic number.

1400271000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400271000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2231124480).

1400271000 is an abundant number, since it is smaller than the sum of its proper divisors (3061977960).

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

1400271000 is a wasteful number, since it uses less digits than its factorization.

1400271000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002 (or 9988 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1400271000 is about 37420.1950823349. The cubic root of 1400271000 is about 1118.7611194967.

Adding to 1400271000 its reverse (1720041), we get a palindrome (1401991041).

The spelling of 1400271000 in words is "one billion, four hundred million, two hundred seventy-one thousand".