1345631026004 has 6 divisors (see below), whose sum is σ = 2354854295514. Its totient is φ = 672815513000.

The previous prime is 1345631025971. The next prime is 1345631026081. The reversal of 1345631026004 is 4006201365431.

It can be written as a sum of positive squares in only one way, i.e., 1018286846404 + 327344179600 = 1009102^2 + 572140^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168203878247 + ... + 168203878254.

It is an arithmetic number, because the mean of its divisors is an integer number (392475715919).

Almost surely, 2^{1345631026004} is an apocalyptic number.

It is an amenable number.

1345631026004 is a deficient number, since it is larger than the sum of its proper divisors (1009223269510).

1345631026004 is a wasteful number, since it uses less digits than its factorization.

1345631026004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336407756505 (or 336407756503 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 1345631026004 in words is "one trillion, three hundred forty-five billion, six hundred thirty-one million, twenty-six thousand, four".