131354028 has 48 divisors (see below), whose sum is σ = 366747360. Its totient is φ = 40416192.

The previous prime is 131354023. The next prime is 131354029. The reversal of 131354028 is 820453131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 131353992 and 131354010.

It is not an unprimeable number, because it can be changed into a prime (131354023) 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, 45375 + ... + 48182.

It is an arithmetic number, because the mean of its divisors is an integer number (7640570).

Almost surely, 2^131354028 is an apocalyptic number.

131354028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

131354028 is an abundant number, since it is smaller than the sum of its proper divisors (235393332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131354028 is a wasteful number, since it uses less digits than its factorization.

131354028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93583 (or 93575 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 131354028 is about 11460.9784922580. The cubic root of 131354028 is about 508.3324079412.

The spelling of 131354028 in words is "one hundred thirty-one million, three hundred fifty-four thousand, twenty-eight".