1807057141 has 4 divisors (see below), whose sum is σ = 1817502732. Its totient is φ = 1796611552.

The previous prime is 1807057093. The next prime is 1807057253. The reversal of 1807057141 is 1417507081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1417507081 = 61 ⋅23237821.

It can be written as a sum of positive squares in 2 ways, for example, as 1466507025 + 340550116 = 38295^2 + 18454^2 .

It is a cyclic number.

It is not a de Polignac number, because 1807057141 - 2¹⁹ = 1806532853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1807057097 and 1807057106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1807057741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5222536 + ... + 5222881.

It is an arithmetic number, because the mean of its divisors is an integer number (454375683).

Almost surely, 2^1807057141 is an apocalyptic number.

It is an amenable number.

1807057141 is a deficient number, since it is larger than the sum of its proper divisors (10445591).

1807057141 is a wasteful number, since it uses less digits than its factorization.

1807057141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10445590.

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 1807057141 is about 42509.4947158867. The cubic root of 1807057141 is about 1218.0280651840.

The spelling of 1807057141 in words is "one billion, eight hundred seven million, fifty-seven thousand, one hundred forty-one".