190281402 has 24 divisors (see below), whose sum is σ = 414420084. Its totient is φ = 63097344.

The previous prime is 190281397. The next prime is 190281419. The reversal of 190281402 is 204182091.

It can be written as a sum of positive squares in 2 ways, for example, as 185259321 + 5022081 = 13611^2 + 2241^2 .

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, 23913 + ... + 30860.

Almost surely, 2^190281402 is an apocalyptic number.

190281402 is an abundant number, since it is smaller than the sum of its proper divisors (224138682).

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

190281402 is a wasteful number, since it uses less digits than its factorization.

190281402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54974 (or 54971 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 190281402 is about 13794.2524987764. The cubic root of 190281402 is about 575.1733838819.

The spelling of 190281402 in words is "one hundred ninety million, two hundred eighty-one thousand, four hundred two".