131798401 has 8 divisors (see below), whose sum is σ = 150885504. Its totient is φ = 112776000.

The previous prime is 131798393. The next prime is 131798413. The reversal of 131798401 is 104897131.

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 131798401 - 2³ = 131798393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131798101) 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, 11725 + ... + 20026.

It is an arithmetic number, because the mean of its divisors is an integer number (18860688).

Almost surely, 2^131798401 is an apocalyptic number.

It is an amenable number.

131798401 is a deficient number, since it is larger than the sum of its proper divisors (19087103).

131798401 is an equidigital number, since it uses as much as digits as its factorization.

131798401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32351.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 131798401 is about 11480.3484703209. The cubic root of 131798401 is about 508.9049952438.

The spelling of 131798401 in words is "one hundred thirty-one million, seven hundred ninety-eight thousand, four hundred one".