1400378133938 has 16 divisors (see below), whose sum is σ = 2465530615104. Its totient is φ = 583941461040.

The previous prime is 1400378133911. The next prime is 1400378133941. The reversal of 1400378133938 is 8393318730041.

It is a super-2 number, since 2×1400378133938² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351715828 + ... + 1351716863.

It is an arithmetic number, because the mean of its divisors is an integer number (154095663444).

Almost surely, 2^{1400378133938} is an apocalyptic number.

1400378133938 is a deficient number, since it is larger than the sum of its proper divisors (1065152481166).

1400378133938 is a wasteful number, since it uses less digits than its factorization.

1400378133938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703432737.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 1400378133938 in words is "one trillion, four hundred billion, three hundred seventy-eight million, one hundred thirty-three thousand, nine hundred thirty-eight".