1340202078358 has 32 divisors (see below), whose sum is σ = 2500681468320. Its totient is φ = 529244751360.

The previous prime is 1340202078353. The next prime is 1340202078373. The reversal of 1340202078358 is 8538702020431.

It is a super-2 number, since 2×1340202078358² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340202078353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137819293 + ... + 137829016.

It is an arithmetic number, because the mean of its divisors is an integer number (78146295885).

Almost surely, 2^{1340202078358} is an apocalyptic number.

1340202078358 is a deficient number, since it is larger than the sum of its proper divisors (1160479389962).

1340202078358 is a wasteful number, since it uses less digits than its factorization.

1340202078358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275648352.

The product of its (nonzero) digits is 322560, while the sum is 43.

Adding to 1340202078358 its reverse (8538702020431), we get a palindrome (9878904098789).

The spelling of 1340202078358 in words is "one trillion, three hundred forty billion, two hundred two million, seventy-eight thousand, three hundred fifty-eight".