1380871131 has 8 divisors (see below), whose sum is σ = 1855216704. Its totient is φ = 913553160.

The previous prime is 1380871111. The next prime is 1380871157. The reversal of 1380871131 is 1311780831.

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

It is not a de Polignac number, because 1380871131 - 2¹³ = 1380862939 is a prime.

It is a super-2 number, since 2×1380871131² = 3813610160858438322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1380871092 and 1380871101.

It is not an unprimeable number, because it can be changed into a prime (1380871111) 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, 1756441 + ... + 1757226.

It is an arithmetic number, because the mean of its divisors is an integer number (231902088).

Almost surely, 2^1380871131 is an apocalyptic number.

1380871131 is a deficient number, since it is larger than the sum of its proper divisors (474345573).

1380871131 is a wasteful number, since it uses less digits than its factorization.

1380871131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513801.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 1380871131 is about 37160.0744213464. The cubic root of 1380871131 is about 1113.5704983672.

The spelling of 1380871131 in words is "one billion, three hundred eighty million, eight hundred seventy-one thousand, one hundred thirty-one".