134390190 has 64 divisors (see below), whose sum is σ = 353030400. Its totient is φ = 32471040.

The previous prime is 134390167. The next prime is 134390209. The reversal of 134390190 is 91093431.

It is a super-2 number, since 2×134390190² = 36121446336472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147717 + ... + 148623.

It is an arithmetic number, because the mean of its divisors is an integer number (5516100).

Almost surely, 2^134390190 is an apocalyptic number.

134390190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134390190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176515200).

134390190 is an abundant number, since it is smaller than the sum of its proper divisors (218640210).

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

134390190 is a wasteful number, since it uses less digits than its factorization.

134390190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 134390190 is about 11592.6782927846. The cubic root of 134390190 is about 512.2192029124.

The spelling of 134390190 in words is "one hundred thirty-four million, three hundred ninety thousand, one hundred ninety".