1091362136406 has 16 divisors (see below), whose sum is σ = 2187012538800. Its totient is φ = 363072667808.

The previous prime is 1091362136399. The next prime is 1091362136429. The reversal of 1091362136406 is 6046312631901.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178674441 + ... + 178680548.

It is an arithmetic number, because the mean of its divisors is an integer number (136688283675).

Almost surely, 2^{1091362136406} is an apocalyptic number.

1091362136406 is an abundant number, since it is smaller than the sum of its proper divisors (1095650402394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1091362136406 is a wasteful number, since it uses less digits than its factorization.

1091362136406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357355503.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 1091362136406 in words is "one trillion, ninety-one billion, three hundred sixty-two million, one hundred thirty-six thousand, four hundred six".