1357195988 has 12 divisors (see below), whose sum is σ = 2375542260. Its totient is φ = 678469632.

The previous prime is 1357195949. The next prime is 1357195991. The reversal of 1357195988 is 8895917531.

It can be written as a sum of positive squares in 2 ways, for example, as 839724484 + 517471504 = 28978^2 + 22748^2 .

It is a super-2 number, since 2×1357195988² = 3683961899686592288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5933 + ... + 52436.

It is an arithmetic number, because the mean of its divisors is an integer number (197961855).

Almost surely, 2^1357195988 is an apocalyptic number.

It is an amenable number.

1357195988 is a deficient number, since it is larger than the sum of its proper divisors (1018346272).

1357195988 is a wasteful number, since it uses less digits than its factorization.

1357195988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64186 (or 64184 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 56.

The square root of 1357195988 is about 36840.1409877867. The cubic root of 1357195988 is about 1107.1696927316.

The spelling of 1357195988 in words is "one billion, three hundred fifty-seven million, one hundred ninety-five thousand, nine hundred eighty-eight".