1340888867554 has 8 divisors (see below), whose sum is σ = 2044305978588. Its totient is φ = 659453541360.

The previous prime is 1340888867543. The next prime is 1340888867603. The reversal of 1340888867554 is 4557688880431.

It can be written as a sum of positive squares in 2 ways, for example, as 823877536329 + 517011331225 = 907677^2 + 719035^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1340888867554.

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, 5495446057 + ... + 5495446300.

Almost surely, 2^{1340888867554} is an apocalyptic number.

1340888867554 is a deficient number, since it is larger than the sum of its proper divisors (703417111034).

1340888867554 is a wasteful number, since it uses less digits than its factorization.

1340888867554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990892420.

The product of its (nonzero) digits is 206438400, while the sum is 67.

The spelling of 1340888867554 in words is "one trillion, three hundred forty billion, eight hundred eighty-eight million, eight hundred sixty-seven thousand, five hundred fifty-four".