131613734 has 32 divisors (see below), whose sum is σ = 232580160. Its totient is φ = 54692352.

The previous prime is 131613701. The next prime is 131613767. The reversal of 131613734 is 437316131.

It is an interprime number because it is at equal distance from previous prime (131613701) and next prime (131613767).

It is a junction number, because it is equal to n+sod(n) for n = 131613697 and 131613706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65042 + ... + 67034.

It is an arithmetic number, because the mean of its divisors is an integer number (7268130).

Almost surely, 2^131613734 is an apocalyptic number.

131613734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131613734 is a deficient number, since it is larger than the sum of its proper divisors (100966426).

131613734 is a wasteful number, since it uses less digits than its factorization.

131613734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144.

The product of its digits is 4536, while the sum is 29.

The square root of 131613734 is about 11472.3029074375. The cubic root of 131613734 is about 508.6672030701.

Adding to 131613734 its reverse (437316131), we get a palindrome (568929865).

The spelling of 131613734 in words is "one hundred thirty-one million, six hundred thirteen thousand, seven hundred thirty-four".