130781654 has 4 divisors (see below), whose sum is σ = 196172484. Its totient is φ = 65390826.

The previous prime is 130781639. The next prime is 130781659. The reversal of 130781654 is 456187031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130781659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32695412 + ... + 32695415.

It is an arithmetic number, because the mean of its divisors is an integer number (49043121).

Almost surely, 2^130781654 is an apocalyptic number.

130781654 is a deficient number, since it is larger than the sum of its proper divisors (65390830).

130781654 is an equidigital number, since it uses as much as digits as its factorization.

130781654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65390829.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 130781654 is about 11435.9806750449. The cubic root of 130781654 is about 507.5929815802.

The spelling of 130781654 in words is "one hundred thirty million, seven hundred eighty-one thousand, six hundred fifty-four".