131773630 has 32 divisors (see below), whose sum is σ = 251755776. Its totient is φ = 49488384.

The previous prime is 131773619. The next prime is 131773633. The reversal of 131773630 is 36377131.

It is a junction number, because it is equal to n+sod(n) for n = 131773592 and 131773601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131773633) 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, 102552 + ... + 103828.

It is an arithmetic number, because the mean of its divisors is an integer number (7867368).

Almost surely, 2^131773630 is an apocalyptic number.

131773630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131773630 is a deficient number, since it is larger than the sum of its proper divisors (119982146).

131773630 is a wasteful number, since it uses less digits than its factorization.

131773630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 131773630 is about 11479.2695760662. The cubic root of 131773630 is about 508.8731110040.

It can be divided in two parts, 13177 and 3630, that added together give a 5-th power (16807 = 7⁵).

The spelling of 131773630 in words is "one hundred thirty-one million, seven hundred seventy-three thousand, six hundred thirty".