387540129 has 8 divisors (see below), whose sum is σ = 517129920. Its totient is φ = 258155216.

The previous prime is 387540089. The next prime is 387540149. The reversal of 387540129 is 921045783.

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 387540129 - 2⁹ = 387539617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387540149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46749 + ... + 54410.

It is an arithmetic number, because the mean of its divisors is an integer number (64641240).

Almost surely, 2^387540129 is an apocalyptic number.

It is an amenable number.

387540129 is a deficient number, since it is larger than the sum of its proper divisors (129589791).

387540129 is a wasteful number, since it uses less digits than its factorization.

387540129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102439.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 387540129 is about 19686.0389362614. The cubic root of 387540129 is about 729.0750335325.

The spelling of 387540129 in words is "three hundred eighty-seven million, five hundred forty thousand, one hundred twenty-nine".