203070136 has 32 divisors (see below), whose sum is σ = 389221200. Its totient is φ = 99290880.

The previous prime is 203070113. The next prime is 203070137. The reversal of 203070136 is 631070302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203070137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172831 + ... + 174001.

Almost surely, 2^203070136 is an apocalyptic number.

It is an amenable number.

203070136 is a deficient number, since it is larger than the sum of its proper divisors (186151064).

203070136 is a wasteful number, since it uses less digits than its factorization.

203070136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 203070136 is about 14250.2679273058. The cubic root of 203070136 is about 587.7807425999.

The spelling of 203070136 in words is "two hundred three million, seventy thousand, one hundred thirty-six".