1357271198 has 4 divisors (see below), whose sum is σ = 2035906800. Its totient is φ = 678635598.

The previous prime is 1357271191. The next prime is 1357271231. The reversal of 1357271198 is 8911727531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357271191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339317798 + ... + 339317801.

It is an arithmetic number, because the mean of its divisors is an integer number (508976700).

Almost surely, 2^1357271198 is an apocalyptic number.

1357271198 is a deficient number, since it is larger than the sum of its proper divisors (678635602).

1357271198 is an equidigital number, since it uses as much as digits as its factorization.

1357271198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678635601.

The product of its digits is 105840, while the sum is 44.

The square root of 1357271198 is about 36841.1617352113. The cubic root of 1357271198 is about 1107.1901438910.

The spelling of 1357271198 in words is "one billion, three hundred fifty-seven million, two hundred seventy-one thousand, one hundred ninety-eight".