1400133645838 has 64 divisors (see below), whose sum is σ = 2265006965760. Its totient is φ = 647477459200.

The previous prime is 1400133645829. The next prime is 1400133645877. The reversal of 1400133645838 is 8385463310041.

It is a super-2 number, since 2×1400133645838² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219144348 + ... + 219150736.

It is an arithmetic number, because the mean of its divisors is an integer number (35390733840).

Almost surely, 2^{1400133645838} is an apocalyptic number.

1400133645838 is a deficient number, since it is larger than the sum of its proper divisors (864873319922).

1400133645838 is a wasteful number, since it uses less digits than its factorization.

1400133645838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473.

The product of its (nonzero) digits is 829440, while the sum is 46.

Adding to 1400133645838 its reverse (8385463310041), we get a palindrome (9785596955879).

The spelling of 1400133645838 in words is "one trillion, four hundred billion, one hundred thirty-three million, six hundred forty-five thousand, eight hundred thirty-eight".