190315100 has 36 divisors (see below), whose sum is σ = 413905800. Its totient is φ = 75956160.

The previous prime is 190315093. The next prime is 190315117. The reversal of 190315100 is 1513091.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49031 + ... + 52769.

Almost surely, 2^190315100 is an apocalyptic number.

190315100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190315100 is an abundant number, since it is smaller than the sum of its proper divisors (223590700).

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

190315100 is a wasteful number, since it uses less digits than its factorization.

190315100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262 (or 4255 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 190315100 is about 13795.4738954485. The cubic root of 190315100 is about 575.2073354372.

Adding to 190315100 its reverse (1513091), we get a palindrome (191828191).

The spelling of 190315100 in words is "one hundred ninety million, three hundred fifteen thousand, one hundred".