1351866941 has 16 divisors (see below), whose sum is σ = 1432358400. Its totient is φ = 1274097600.

The previous prime is 1351866931. The next prime is 1351866959. The reversal of 1351866941 is 1496681531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351866941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1351866892 and 1351866901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351866931) 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, 195971 + ... + 202751.

It is an arithmetic number, because the mean of its divisors is an integer number (89522400).

Almost surely, 2^1351866941 is an apocalyptic number.

It is an amenable number.

1351866941 is a deficient number, since it is larger than the sum of its proper divisors (80491459).

1351866941 is a wasteful number, since it uses less digits than its factorization.

1351866941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6980.

The product of its digits is 155520, while the sum is 44.

The square root of 1351866941 is about 36767.7432133113. The cubic root of 1351866941 is about 1105.7186867307.

The spelling of 1351866941 in words is "one billion, three hundred fifty-one million, eight hundred sixty-six thousand, nine hundred forty-one".