1385374111 has 16 divisors (see below), whose sum is σ = 1602897408. Its totient is φ = 1184911200.

The previous prime is 1385374093. The next prime is 1385374127. The reversal of 1385374111 is 1114735831.

It is a happy number.

It is not a de Polignac number, because 1385374111 - 2²¹ = 1383276959 is a prime.

It is a super-2 number, since 2×1385374111² = 3838522854858080642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385374141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29451 + ... + 60316.

It is an arithmetic number, because the mean of its divisors is an integer number (100181088).

Almost surely, 2^1385374111 is an apocalyptic number.

1385374111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1385374111 is a deficient number, since it is larger than the sum of its proper divisors (217523297).

1385374111 is a wasteful number, since it uses less digits than its factorization.

1385374111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89862.

The product of its digits is 10080, while the sum is 34.

The square root of 1385374111 is about 37220.6140599534. The cubic root of 1385374111 is about 1114.7796251847.

The spelling of 1385374111 in words is "one billion, three hundred eighty-five million, three hundred seventy-four thousand, one hundred eleven".