131514154 has 4 divisors (see below), whose sum is σ = 197271234. Its totient is φ = 65757076.

The previous prime is 131514113. The next prime is 131514197. The reversal of 131514154 is 451415131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110565225 + 20948929 = 10515^2 + 4577^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32878537 + ... + 32878540.

Almost surely, 2^131514154 is an apocalyptic number.

131514154 is a deficient number, since it is larger than the sum of its proper divisors (65757080).

131514154 is an equidigital number, since it uses as much as digits as its factorization.

131514154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65757079.

The product of its digits is 1200, while the sum is 25.

The square root of 131514154 is about 11467.9620683014. The cubic root of 131514154 is about 508.5388834823.

Adding to 131514154 its reverse (451415131), we get a palindrome (582929285).

The spelling of 131514154 in words is "one hundred thirty-one million, five hundred fourteen thousand, one hundred fifty-four".