131154705 has 24 divisors (see below), whose sum is σ = 248002560. Its totient is φ = 63589920.

The previous prime is 131154689. The next prime is 131154713. The reversal of 131154705 is 507451131.

It is not a de Polignac number, because 131154705 - 2⁴ = 131154689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131985 + ... + 132974.

It is an arithmetic number, because the mean of its divisors is an integer number (10333440).

Almost surely, 2^131154705 is an apocalyptic number.

131154705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131154705 is a deficient number, since it is larger than the sum of its proper divisors (116847855).

131154705 is a wasteful number, since it uses less digits than its factorization.

131154705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264981 (or 264978 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 131154705 is about 11452.2794674248. The cubic root of 131154705 is about 508.0751549895.

The spelling of 131154705 in words is "one hundred thirty-one million, one hundred fifty-four thousand, seven hundred five".