1381458195 has 24 divisors (see below), whose sum is σ = 2578723056. Its totient is φ = 680102208.

The previous prime is 1381458191. The next prime is 1381458209. The reversal of 1381458195 is 5918541831.

1381458195 is a `hidden beast` number, since 1 + 3 + 8 + 1 + 458 + 195 = 666.

It is not a de Polignac number, because 1381458195 - 2² = 1381458191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1381458195.

It is not an unprimeable number, because it can be changed into a prime (1381458191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1180149 + ... + 1181318.

It is an arithmetic number, because the mean of its divisors is an integer number (107446794).

Almost surely, 2^1381458195 is an apocalyptic number.

1381458195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1381458195 is a deficient number, since it is larger than the sum of its proper divisors (1197264861).

1381458195 is a wasteful number, since it uses less digits than its factorization.

1381458195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361491 (or 2361488 counting only the distinct ones).

The product of its digits is 172800, while the sum is 45.

The square root of 1381458195 is about 37167.9727050050. The cubic root of 1381458195 is about 1113.7282839164.

The spelling of 1381458195 in words is "one billion, three hundred eighty-one million, four hundred fifty-eight thousand, one hundred ninety-five".