1382140187 has 4 divisors (see below), whose sum is σ = 1382217096. Its totient is φ = 1382063280.

The previous prime is 1382140183. The next prime is 1382140213. The reversal of 1382140187 is 7810412831.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1382140187 - 2² = 1382140183 is a prime.

It is a super-2 number, since 2×1382140187² = 3820622993040789938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1382140183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4487 + ... + 52767.

It is an arithmetic number, because the mean of its divisors is an integer number (345554274).

Almost surely, 2^1382140187 is an apocalyptic number.

1382140187 is a deficient number, since it is larger than the sum of its proper divisors (76909).

1382140187 is an equidigital number, since it uses as much as digits as its factorization.

1382140187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76908.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1382140187 is about 37177.1460308615. The cubic root of 1382140187 is about 1113.9115272038.

The spelling of 1382140187 in words is "one billion, three hundred eighty-two million, one hundred forty thousand, one hundred eighty-seven".