2070578139 has 16 divisors (see below), whose sum is σ = 3155834112. Its totient is φ = 1182937248.

The previous prime is 2070578137. The next prime is 2070578141. The reversal of 2070578139 is 9318750702.

It is an interprime number because it is at equal distance from previous prime (2070578137) and next prime (2070578141).

It is not a de Polignac number, because 2070578139 - 2¹ = 2070578137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2070578139.

It is not an unprimeable number, because it can be changed into a prime (2070578137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145297 + ... + 158909.

It is an arithmetic number, because the mean of its divisors is an integer number (197239632).

Almost surely, 2^2070578139 is an apocalyptic number.

2070578139 is a deficient number, since it is larger than the sum of its proper divisors (1085255973).

2070578139 is a wasteful number, since it uses less digits than its factorization.

2070578139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20866.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 2070578139 is about 45503.6057802016. The cubic root of 2070578139 is about 1274.5705361731.

The spelling of 2070578139 in words is "two billion, seventy million, five hundred seventy-eight thousand, one hundred thirty-nine".