1351786085634 has 48 divisors (see below), whose sum is σ = 2857535368992. Its totient is φ = 426254342976.

The previous prime is 1351786085621. The next prime is 1351786085647. The reversal of 1351786085634 is 4365806871531.

It is an interprime number because it is at equal distance from previous prime (1351786085621) and next prime (1351786085647).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1022502 + ... + 1936254.

It is an arithmetic number, because the mean of its divisors is an integer number (59531986854).

Almost surely, 2^{1351786085634} is an apocalyptic number.

1351786085634 is an abundant number, since it is smaller than the sum of its proper divisors (1505749283358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351786085634 is a wasteful number, since it uses less digits than its factorization.

1351786085634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914479 (or 914460 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 1351786085634 in words is "one trillion, three hundred fifty-one billion, seven hundred eighty-six million, eighty-five thousand, six hundred thirty-four".