201276955139 has 8 divisors (see below), whose sum is σ = 217542328080. Its totient is φ = 185123372256.

The previous prime is 201276955123. The next prime is 201276955163. The reversal of 201276955139 is 931559672102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201276955139 - 2⁴ = 201276955123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201276955109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27943769 + ... + 27950970.

It is an arithmetic number, because the mean of its divisors is an integer number (27192791010).

Almost surely, 2^201276955139 is an apocalyptic number.

201276955139 is a deficient number, since it is larger than the sum of its proper divisors (16265372941).

201276955139 is a wasteful number, since it uses less digits than its factorization.

201276955139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55895029.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 201276955139 in words is "two hundred one billion, two hundred seventy-six million, nine hundred fifty-five thousand, one hundred thirty-nine".