87402134 has 8 divisors (see below), whose sum is σ = 138815208. Its totient is φ = 41130400.

The previous prime is 87402127. The next prime is 87402137. The reversal of 87402134 is 43120478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 87402097 and 87402106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87402137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285292 + ... + 1285359.

It is an arithmetic number, because the mean of its divisors is an integer number (17351901).

Almost surely, 2^87402134 is an apocalyptic number.

87402134 is a deficient number, since it is larger than the sum of its proper divisors (51413074).

87402134 is a wasteful number, since it uses less digits than its factorization.

87402134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570670.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 87402134 is about 9348.9108456547. The cubic root of 87402134 is about 443.7864236716.

The spelling of 87402134 in words is "eighty-seven million, four hundred two thousand, one hundred thirty-four".