190403136 has 392 divisors, whose sum is σ = 719596224. Its totient is φ = 48522240.

The previous prime is 190403117. The next prime is 190403137. The reversal of 190403136 is 631304091.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (190403137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3592486 + ... + 3592538.

Almost surely, 2^190403136 is an apocalyptic number.

190403136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190403136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359798112).

190403136 is an abundant number, since it is smaller than the sum of its proper divisors (529193088).

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

190403136 is an equidigital number, since it uses as much as digits as its factorization.

190403136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 190403136 is about 13798.6642831834. The cubic root of 190403136 is about 575.2960149426.

The spelling of 190403136 in words is "one hundred ninety million, four hundred three thousand, one hundred thirty-six".