130436787 has 16 divisors (see below), whose sum is σ = 190471680. Its totient is φ = 78906912.

The previous prime is 130436783. The next prime is 130436791. The reversal of 130436787 is 787634031.

It is an interprime number because it is at equal distance from previous prime (130436783) and next prime (130436791).

It is not a de Polignac number, because 130436787 - 2² = 130436783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (130436783) 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, 26043 + ... + 30644.

It is an arithmetic number, because the mean of its divisors is an integer number (11904480).

Almost surely, 2^130436787 is an apocalyptic number.

130436787 is a deficient number, since it is larger than the sum of its proper divisors (60034893).

130436787 is a wasteful number, since it uses less digits than its factorization.

130436787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56762.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 130436787 is about 11420.8925658199. The cubic root of 130436787 is about 507.1464200579.

The spelling of 130436787 in words is "one hundred thirty million, four hundred thirty-six thousand, seven hundred eighty-seven".