1388901513 has 8 divisors (see below), whose sum is σ = 1960802208. Its totient is φ = 871467584.

The previous prime is 1388901511. The next prime is 1388901541. The reversal of 1388901513 is 3151098831.

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 1388901513 - 2¹ = 1388901511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1388901511) 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, 13616631 + ... + 13616732.

It is an arithmetic number, because the mean of its divisors is an integer number (245100276).

Almost surely, 2^1388901513 is an apocalyptic number.

It is an amenable number.

1388901513 is a deficient number, since it is larger than the sum of its proper divisors (571900695).

1388901513 is a wasteful number, since it uses less digits than its factorization.

1388901513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27233383.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 1388901513 is about 37267.9689948352. The cubic root of 1388901513 is about 1115.7249638584.

The spelling of 1388901513 in words is "one billion, three hundred eighty-eight million, nine hundred one thousand, five hundred thirteen".