1382140872 has 48 divisors (see below), whose sum is σ = 4278056640. Its totient is φ = 394897248.

The previous prime is 1382140871. The next prime is 1382140927. The reversal of 1382140872 is 2780412831.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1382140871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1370668 + ... + 1371675.

It is an arithmetic number, because the mean of its divisors is an integer number (89126180).

Almost surely, 2^1382140872 is an apocalyptic number.

1382140872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1382140872 is an abundant number, since it is smaller than the sum of its proper divisors (2895915768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1382140872 is a wasteful number, since it uses less digits than its factorization.

1382140872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742362 (or 2742355 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1382140872 is about 37177.1552435094. The cubic root of 1382140872 is about 1113.9117112250.

The spelling of 1382140872 in words is "one billion, three hundred eighty-two million, one hundred forty thousand, eight hundred seventy-two".