1400121433144 has 32 divisors (see below), whose sum is σ = 3033971013600. Its totient is φ = 593309882880.

The previous prime is 1400121433103. The next prime is 1400121433171. The reversal of 1400121433144 is 4413341210041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140456637 + ... + 140466604.

It is an arithmetic number, because the mean of its divisors is an integer number (94811594175).

Almost surely, 2^{1400121433144} is an apocalyptic number.

1400121433144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1400121433144 is an abundant number, since it is smaller than the sum of its proper divisors (1633849580456).

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

1400121433144 is a wasteful number, since it uses less digits than its factorization.

1400121433144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280923343 (or 280923339 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1400121433144 its reverse (4413341210041), we get a palindrome (5813462643185).

The spelling of 1400121433144 in words is "one trillion, four hundred billion, one hundred twenty-one million, four hundred thirty-three thousand, one hundred forty-four".