131463454 has 4 divisors (see below), whose sum is σ = 197195184. Its totient is φ = 65731726.

The previous prime is 131463433. The next prime is 131463457. The reversal of 131463454 is 454364131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454364131 = 13 ⋅34951087.

It is a super-2 number, since 2×131463454² = 34565279475220232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131463457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32865862 + ... + 32865865.

It is an arithmetic number, because the mean of its divisors is an integer number (49298796).

Almost surely, 2^131463454 is an apocalyptic number.

131463454 is a deficient number, since it is larger than the sum of its proper divisors (65731730).

131463454 is an equidigital number, since it uses as much as digits as its factorization.

131463454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65731729.

The product of its digits is 17280, while the sum is 31.

The square root of 131463454 is about 11465.7513491267. The cubic root of 131463454 is about 508.4735261690.

The spelling of 131463454 in words is "one hundred thirty-one million, four hundred sixty-three thousand, four hundred fifty-four".