1340026265156 has 6 divisors (see below), whose sum is σ = 2345045964030. Its totient is φ = 670013132576.

The previous prime is 1340026265147. The next prime is 1340026265269. The reversal of 1340026265156 is 6515626200431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1282057998400 + 57968266756 = 1132280^2 + 240766^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167503283141 + ... + 167503283148.

It is an arithmetic number, because the mean of its divisors is an integer number (390840994005).

Almost surely, 2^{1340026265156} is an apocalyptic number.

It is an amenable number.

1340026265156 is a deficient number, since it is larger than the sum of its proper divisors (1005019698874).

1340026265156 is a wasteful number, since it uses less digits than its factorization.

1340026265156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335006566293 (or 335006566291 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 1340026265156 in words is "one trillion, three hundred forty billion, twenty-six million, two hundred sixty-five thousand, one hundred fifty-six".