1357066188 has 18 divisors (see below), whose sum is σ = 3430361844. Its totient is φ = 452355384.

The previous prime is 1357066159. The next prime is 1357066189. The reversal of 1357066188 is 8816607531.

1357066188 is a `hidden beast` number, since 1 + 3 + 570 + 66 + 18 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1357066188² = 3683257277225702688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1357066189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18848106 + ... + 18848177.

It is an arithmetic number, because the mean of its divisors is an integer number (190575658).

Almost surely, 2^1357066188 is an apocalyptic number.

1357066188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1357066188 is an abundant number, since it is smaller than the sum of its proper divisors (2073295656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1357066188 is a wasteful number, since it uses less digits than its factorization.

1357066188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37696293 (or 37696288 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1357066188 is about 36838.3792803104. The cubic root of 1357066188 is about 1107.1343956414.

The spelling of 1357066188 in words is "one billion, three hundred fifty-seven million, sixty-six thousand, one hundred eighty-eight".