1400378133937 has 4 divisors (see below), whose sum is σ = 1412770860900. Its totient is φ = 1387985406976.

The previous prime is 1400378133911. The next prime is 1400378133941. The reversal of 1400378133937 is 7393318730041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 324243691776 + 1076134442161 = 569424^2 + 1037369^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400378133937 - 2²³ = 1400369745329 is a prime.

It is a super-2 number, since 2×1400378133937² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400378133977) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6196363312 + ... + 6196363537.

It is an arithmetic number, because the mean of its divisors is an integer number (353192715225).

Almost surely, 2^{1400378133937} is an apocalyptic number.

It is an amenable number.

1400378133937 is a deficient number, since it is larger than the sum of its proper divisors (12392726963).

1400378133937 is a wasteful number, since it uses less digits than its factorization.

1400378133937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12392726962.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 1400378133937 in words is "one trillion, four hundred billion, three hundred seventy-eight million, one hundred thirty-three thousand, nine hundred thirty-seven".