190246140 has 72 divisors (see below), whose sum is σ = 659524320. Its totient is φ = 43484544.

The previous prime is 190246139. The next prime is 190246157. The reversal of 190246140 is 41642091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74235 + ... + 76754.

It is an arithmetic number, because the mean of its divisors is an integer number (9160060).

Almost surely, 2^190246140 is an apocalyptic number.

190246140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190246140 is an abundant number, since it is smaller than the sum of its proper divisors (469278180).

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

190246140 is a wasteful number, since it uses less digits than its factorization.

190246140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151011 (or 151006 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 190246140 is about 13792.9742985333. The cubic root of 190246140 is about 575.1378522664.

The spelling of 190246140 in words is "one hundred ninety million, two hundred forty-six thousand, one hundred forty".