400118146136 has 16 divisors (see below), whose sum is σ = 750273878400. Its totient is φ = 200045111904.

The previous prime is 400118146091. The next prime is 400118146273. The reversal of 400118146136 is 631641811004.

It is a junction number, because it is equal to n+sod(n) for n = 400118146096 and 400118146105.

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, 1622840 + ... + 1853063.

It is an arithmetic number, because the mean of its divisors is an integer number (46892117400).

Almost surely, 2^400118146136 is an apocalyptic number.

It is an amenable number.

400118146136 is a deficient number, since it is larger than the sum of its proper divisors (350155732264).

400118146136 is a wasteful number, since it uses less digits than its factorization.

400118146136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490298 (or 3490294 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 400118146136 in words is "four hundred billion, one hundred eighteen million, one hundred forty-six thousand, one hundred thirty-six".