9740139 has 16 divisors (see below), whose sum is σ = 13628928. Its totient is φ = 6180192.

The previous prime is 9740117. The next prime is 9740161. The reversal of 9740139 is 9310479.

It is an interprime number because it is at equal distance from previous prime (9740117) and next prime (9740161).

It is not a de Polignac number, because 9740139 - 2¹² = 9736043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9740239) 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, 4284 + ... + 6150.

It is an arithmetic number, because the mean of its divisors is an integer number (851808).

Almost surely, 2^9740139 is an apocalyptic number.

9740139 is a deficient number, since it is larger than the sum of its proper divisors (3888789).

9740139 is a wasteful number, since it uses less digits than its factorization.

9740139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 9740139 is about 3120.9195760224. The cubic root of 9740139 is about 213.5608881031.

The spelling of 9740139 in words is "nine million, seven hundred forty thousand, one hundred thirty-nine".