1388251040313 has 32 divisors (see below), whose sum is σ = 2011427389440. Its totient is φ = 848442228480.

The previous prime is 1388251040299. The next prime is 1388251040329. The reversal of 1388251040313 is 3130401528831.

It is a happy number.

It is not a de Polignac number, because 1388251040313 - 2¹⁸ = 1388250778169 is a prime.

It is a super-2 number, since 2×1388251040313² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1388251040713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34784656 + ... + 34824542.

It is an arithmetic number, because the mean of its divisors is an integer number (62857105920).

Almost surely, 2^{1388251040313} is an apocalyptic number.

It is an amenable number.

1388251040313 is a deficient number, since it is larger than the sum of its proper divisors (623176349127).

1388251040313 is a wasteful number, since it uses less digits than its factorization.

1388251040313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59637.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 1388251040313 in words is "one trillion, three hundred eighty-eight billion, two hundred fifty-one million, forty thousand, three hundred thirteen".