131556010 has 8 divisors (see below), whose sum is σ = 236800836. Its totient is φ = 52622400.

The previous prime is 131555999. The next prime is 131556011. The reversal of 131556010 is 10655131.

It can be written as a sum of positive squares in 2 ways, for example, as 121815369 + 9740641 = 11037^2 + 3121^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131556011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6577791 + ... + 6577810.

Almost surely, 2^131556010 is an apocalyptic number.

131556010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131556010 is a deficient number, since it is larger than the sum of its proper divisors (105244826).

131556010 is a wasteful number, since it uses less digits than its factorization.

131556010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13155608.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 131556010 is about 11469.7868332415. The cubic root of 131556010 is about 508.5928273485.

The spelling of 131556010 in words is "one hundred thirty-one million, five hundred fifty-six thousand, ten".