1402361146 has 4 divisors (see below), whose sum is σ = 2103541722. Its totient is φ = 701180572.

The previous prime is 1402361143. The next prime is 1402361179. The reversal of 1402361146 is 6411632041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6411632041 = 47 ⋅136417703.

It can be written as a sum of positive squares in only one way, i.e., 1369814121 + 32547025 = 37011^2 + 5705^2 .

It is not an unprimeable number, because it can be changed into a prime (1402361143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350590285 + ... + 350590288.

Almost surely, 2^1402361146 is an apocalyptic number.

1402361146 is a deficient number, since it is larger than the sum of its proper divisors (701180576).

1402361146 is an equidigital number, since it uses as much as digits as its factorization.

1402361146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701180575.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1402361146 is about 37448.1127161303. The cubic root of 1402361146 is about 1119.3174907436.

Adding to 1402361146 its reverse (6411632041), we get a palindrome (7813993187).

The spelling of 1402361146 in words is "one billion, four hundred two million, three hundred sixty-one thousand, one hundred forty-six".