131440153 has 8 divisors (see below), whose sum is σ = 144563328. Its totient is φ = 118747344.

The previous prime is 131440139. The next prime is 131440163. The reversal of 131440153 is 351044131.

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 131440153 - 2¹³ = 131431961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131440163) 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, 106951 + ... + 108172.

It is an arithmetic number, because the mean of its divisors is an integer number (18070416).

Almost surely, 2^131440153 is an apocalyptic number.

131440153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131440153 is a deficient number, since it is larger than the sum of its proper divisors (13123175).

131440153 is a wasteful number, since it uses less digits than its factorization.

131440153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215183.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 131440153 is about 11464.7351910107. The cubic root of 131440153 is about 508.4434832399.

Adding to 131440153 its reverse (351044131), we get a palindrome (482484284).

The spelling of 131440153 in words is "one hundred thirty-one million, four hundred forty thousand, one hundred fifty-three".