1400817132 has 96 divisors (see below), whose sum is σ = 4266716160. Its totient is φ = 391832640.

The previous prime is 1400817113. The next prime is 1400817137. The reversal of 1400817132 is 2317180041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1400817096 and 1400817105.

It is not an unprimeable number, because it can be changed into a prime (1400817137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29908 + ... + 60795.

It is an arithmetic number, because the mean of its divisors is an integer number (44444960).

Almost surely, 2^1400817132 is an apocalyptic number.

1400817132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1400817132 is an abundant number, since it is smaller than the sum of its proper divisors (2865899028).

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

1400817132 is a wasteful number, since it uses less digits than its factorization.

1400817132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90740 (or 90732 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1400817132 is about 37427.4916605428. The cubic root of 1400817132 is about 1118.9065465443.

Adding to 1400817132 its reverse (2317180041), we get a palindrome (3717997173).

The spelling of 1400817132 in words is "one billion, four hundred million, eight hundred seventeen thousand, one hundred thirty-two".