1400146668 has 24 divisors (see below), whose sum is σ = 3630010160. Its totient is φ = 466715520.

The previous prime is 1400146667. The next prime is 1400146697. The reversal of 1400146668 is 8666410041.

1400146668 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1400146661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6482053 + ... + 6482268.

Almost surely, 2^1400146668 is an apocalyptic number.

1400146668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1400146668 is an abundant number, since it is smaller than the sum of its proper divisors (2229863492).

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

1400146668 is a wasteful number, since it uses less digits than its factorization.

1400146668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12964334 (or 12964326 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1400146668 is about 37418.5337500015. The cubic root of 1400146668 is about 1118.7280064005.

The spelling of 1400146668 in words is "one billion, four hundred million, one hundred forty-six thousand, six hundred sixty-eight".