201488739 has 8 divisors (see below), whose sum is σ = 268920912. Its totient is φ = 134191200.

The previous prime is 201488737. The next prime is 201488741. The reversal of 201488739 is 937884102.

It is an interprime number because it is at equal distance from previous prime (201488737) and next prime (201488741).

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

It is not a de Polignac number, because 201488739 - 2¹ = 201488737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201488739.

It is not an unprimeable number, because it can be changed into a prime (201488737) 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, 30112 + ... + 36189.

It is an arithmetic number, because the mean of its divisors is an integer number (33615114).

Almost surely, 2^201488739 is an apocalyptic number.

201488739 is a deficient number, since it is larger than the sum of its proper divisors (67432173).

201488739 is a wasteful number, since it uses less digits than its factorization.

201488739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67317.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 201488739 is about 14194.6729092290. The cubic root of 201488739 is about 586.2509951899.

The spelling of 201488739 in words is "two hundred one million, four hundred eighty-eight thousand, seven hundred thirty-nine".