1405413161 has 8 divisors (see below), whose sum is σ = 1439032320. Its totient is φ = 1371836592.

The previous prime is 1405413131. The next prime is 1405413173. The reversal of 1405413161 is 1613145041.

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

It is a cyclic number.

It is not a de Polignac number, because 1405413161 - 2¹⁰ = 1405412137 is a prime.

It is a super-2 number, since 2×1405413161² = 3950372306224023842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1405413161.

It is not an unprimeable number, because it can be changed into a prime (1405413131) 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, 61976 + ... + 81558.

It is an arithmetic number, because the mean of its divisors is an integer number (179879040).

Almost surely, 2^1405413161 is an apocalyptic number.

It is an amenable number.

1405413161 is a deficient number, since it is larger than the sum of its proper divisors (33619159).

1405413161 is a wasteful number, since it uses less digits than its factorization.

1405413161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21295.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1405413161 is about 37488.8404862034. The cubic root of 1405413161 is about 1120.1289076223.

The spelling of 1405413161 in words is "one billion, four hundred five million, four hundred thirteen thousand, one hundred sixty-one".