131742154 has 8 divisors (see below), whose sum is σ = 198872388. Its totient is φ = 65451360.

The previous prime is 131742109. The next prime is 131742173. The reversal of 131742154 is 451247131.

It can be written as a sum of positive squares in 2 ways, for example, as 129846025 + 1896129 = 11395^2 + 1377^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209467 + ... + 210094.

Almost surely, 2^131742154 is an apocalyptic number.

131742154 is a deficient number, since it is larger than the sum of its proper divisors (67130234).

131742154 is a wasteful number, since it uses less digits than its factorization.

131742154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419720.

The product of its digits is 3360, while the sum is 28.

The square root of 131742154 is about 11477.8985010323. The cubic root of 131742154 is about 508.8325905915.

Adding to 131742154 its reverse (451247131), we get a palindrome (582989285).

The spelling of 131742154 in words is "one hundred thirty-one million, seven hundred forty-two thousand, one hundred fifty-four".