202496139 has 16 divisors (see below), whose sum is σ = 300218400. Its totient is φ = 134896608.

The previous prime is 202496137. The next prime is 202496207. The reversal of 202496139 is 931694202.

It is not a de Polignac number, because 202496139 - 2¹ = 202496137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202496137) 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, 58057 + ... + 61445.

It is an arithmetic number, because the mean of its divisors is an integer number (18763650).

Almost surely, 2^202496139 is an apocalyptic number.

202496139 is a deficient number, since it is larger than the sum of its proper divisors (97722261).

202496139 is a wasteful number, since it uses less digits than its factorization.

202496139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611 (or 5605 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 202496139 is about 14230.1138083994. The cubic root of 202496139 is about 587.2264139778.

The spelling of 202496139 in words is "two hundred two million, four hundred ninety-six thousand, one hundred thirty-nine".