7138402405486 has 8 divisors (see below), whose sum is σ = 11681022118104. Its totient is φ = 3244728366120.

The previous prime is 7138402405369. The next prime is 7138402405493. The reversal of 7138402405486 is 6845042048317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7138402405486² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162236418285 + ... + 162236418328.

It is an arithmetic number, because the mean of its divisors is an integer number (1460127764763).

Almost surely, 2^{7138402405486} is an apocalyptic number.

7138402405486 is a deficient number, since it is larger than the sum of its proper divisors (4542619712618).

7138402405486 is a wasteful number, since it uses less digits than its factorization.

7138402405486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324472836626.

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 7138402405486 in words is "seven trillion, one hundred thirty-eight billion, four hundred two million, four hundred five thousand, four hundred eighty-six".