1351312145524 has 24 divisors (see below), whose sum is σ = 2579928075648. Its totient is φ = 614196997440.

The previous prime is 1351312145467. The next prime is 1351312145539. The reversal of 1351312145524 is 4255412131531.

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, 123849 + ... + 1648624.

It is an arithmetic number, because the mean of its divisors is an integer number (107497003152).

Almost surely, 2^{1351312145524} is an apocalyptic number.

It is an amenable number.

1351312145524 is a deficient number, since it is larger than the sum of its proper divisors (1228615930124).

1351312145524 is a wasteful number, since it uses less digits than its factorization.

1351312145524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789815 (or 1789813 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The spelling of 1351312145524 in words is "one trillion, three hundred fifty-one billion, three hundred twelve million, one hundred forty-five thousand, five hundred twenty-four".