1387200341 has 4 divisors (see below), whose sum is σ = 1387395372. Its totient is φ = 1387005312.

The previous prime is 1387200277. The next prime is 1387200371. The reversal of 1387200341 is 1430027831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1430027831 = 19501 ⋅73331.

It can be written as a sum of positive squares in 2 ways, for example, as 489958225 + 897242116 = 22135^2 + 29954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1387200341 - 2⁶ = 1387200277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387200371) 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, 86426 + ... + 101211.

It is an arithmetic number, because the mean of its divisors is an integer number (346848843).

Almost surely, 2^1387200341 is an apocalyptic number.

It is an amenable number.

1387200341 is a deficient number, since it is larger than the sum of its proper divisors (195031).

1387200341 is an equidigital number, since it uses as much as digits as its factorization.

1387200341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195030.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1387200341 is about 37245.1384881302. The cubic root of 1387200341 is about 1115.2692522750.

The spelling of 1387200341 in words is "one billion, three hundred eighty-seven million, two hundred thousand, three hundred forty-one".