387135406729 has 8 divisors (see below), whose sum is σ = 393781167360. Its totient is φ = 380544798000.

The previous prime is 387135406727. The next prime is 387135406739. The reversal of 387135406729 is 927604531783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387135406729 - 2¹ = 387135406727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 387135406729.

It is not an unprimeable number, because it can be changed into a prime (387135406727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13773817 + ... + 13801894.

It is an arithmetic number, because the mean of its divisors is an integer number (49222645920).

It is a 1-persistent number, because it is pandigital, but 2⋅387135406729 = 774270813458 is not.

Almost surely, 2^387135406729 is an apocalyptic number.

It is an amenable number.

387135406729 is a deficient number, since it is larger than the sum of its proper divisors (6645760631).

387135406729 is a wasteful number, since it uses less digits than its factorization.

387135406729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27575951.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 387135406729 in words is "three hundred eighty-seven billion, one hundred thirty-five million, four hundred six thousand, seven hundred twenty-nine".