131401532 has 12 divisors (see below), whose sum is σ = 230039040. Its totient is φ = 65676096.

The previous prime is 131401513. The next prime is 131401577. The reversal of 131401532 is 235104131.

It is a super-2 number, since 2×131401532² = 34532725223894048, which contains 22 as substring.

It is a congruent number.

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, 11333 + ... + 19779.

It is an arithmetic number, because the mean of its divisors is an integer number (19169920).

Almost surely, 2^131401532 is an apocalyptic number.

It is an amenable number.

131401532 is a deficient number, since it is larger than the sum of its proper divisors (98637508).

131401532 is a wasteful number, since it uses less digits than its factorization.

131401532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12340 (or 12338 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 131401532 is about 11463.0507283184. The cubic root of 131401532 is about 508.3936797897.

Adding to 131401532 its reverse (235104131), we get a palindrome (366505663).

The spelling of 131401532 in words is "one hundred thirty-one million, four hundred one thousand, five hundred thirty-two".