131401062 has 32 divisors (see below), whose sum is σ = 314465760. Its totient is φ = 40430880.

The previous prime is 131401057. The next prime is 131401063. The reversal of 131401062 is 260104131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131401063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92889 + ... + 94292.

It is an arithmetic number, because the mean of its divisors is an integer number (9827055).

Almost surely, 2^131401062 is an apocalyptic number.

131401062 is an abundant number, since it is smaller than the sum of its proper divisors (183064698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131401062 is a wasteful number, since it uses less digits than its factorization.

131401062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187205 (or 187199 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 131401062 is about 11463.0302276492. The cubic root of 131401062 is about 508.3930736442.

Adding to 131401062 its reverse (260104131), we get a palindrome (391505193).

The spelling of 131401062 in words is "one hundred thirty-one million, four hundred one thousand, sixty-two".