1375638195 has 16 divisors (see below), whose sum is σ = 2212198560. Its totient is φ = 729947904.

The previous prime is 1375638169. The next prime is 1375638197. The reversal of 1375638195 is 5918365731.

It is not a de Polignac number, because 1375638195 - 2⁷ = 1375638067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1375638197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229810 + ... + 235719.

It is an arithmetic number, because the mean of its divisors is an integer number (138262410).

Almost surely, 2^1375638195 is an apocalyptic number.

1375638195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1375638195 is a deficient number, since it is larger than the sum of its proper divisors (836560365).

1375638195 is a wasteful number, since it uses less digits than its factorization.

1375638195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465734.

The product of its digits is 680400, while the sum is 48.

The square root of 1375638195 is about 37089.5968568007. The cubic root of 1375638195 is about 1112.1620590349.

The spelling of 1375638195 in words is "one billion, three hundred seventy-five million, six hundred thirty-eight thousand, one hundred ninety-five".