140402498 has 8 divisors (see below), whose sum is σ = 210708540. Its totient is φ = 70166320.

The previous prime is 140402497. The next prime is 140402501. The reversal of 140402498 is 894204041.

140402498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 129663769 + 10738729 = 11387^2 + 3277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140402498² = 39425722889280008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140402497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12113 + ... + 20676.

Almost surely, 2^140402498 is an apocalyptic number.

140402498 is a deficient number, since it is larger than the sum of its proper divisors (70306042).

140402498 is a wasteful number, since it uses less digits than its factorization.

140402498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34932.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 140402498 is about 11849.1560036992. The cubic root of 140402498 is about 519.7465456154.

The spelling of 140402498 in words is "one hundred forty million, four hundred two thousand, four hundred ninety-eight".