690190134 has 8 divisors (see below), whose sum is σ = 1380380280. Its totient is φ = 230063376.

The previous prime is 690190121. The next prime is 690190139. The reversal of 690190134 is 431091096.

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

690190134 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 690190095 and 690190104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690190139) 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, 57515839 + ... + 57515850.

It is an arithmetic number, because the mean of its divisors is an integer number (172547535).

Almost surely, 2^690190134 is an apocalyptic number.

690190134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690190134 is a wasteful number, since it uses less digits than its factorization.

690190134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115031694.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 690190134 is about 26271.4699626800. The cubic root of 690190134 is about 883.7367504734.

The spelling of 690190134 in words is "six hundred ninety million, one hundred ninety thousand, one hundred thirty-four".