1400138494674 has 16 divisors (see below), whose sum is σ = 2964999165408. Its totient is φ = 439259135552.

The previous prime is 1400138494637. The next prime is 1400138494717. The reversal of 1400138494674 is 4764948310041.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6863423892 + ... + 6863424095.

It is an arithmetic number, because the mean of its divisors is an integer number (185312447838).

Almost surely, 2^{1400138494674} is an apocalyptic number.

1400138494674 is an abundant number, since it is smaller than the sum of its proper divisors (1564860670734).

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

1400138494674 is a wasteful number, since it uses less digits than its factorization.

1400138494674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13726848009.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 1400138494674 in words is "one trillion, four hundred billion, one hundred thirty-eight million, four hundred ninety-four thousand, six hundred seventy-four".