140211398 has 4 divisors (see below), whose sum is σ = 210317100. Its totient is φ = 70105698.

The previous prime is 140211373. The next prime is 140211437. The reversal of 140211398 is 893112041.

140211398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 893112041 = 61 ⋅14641181.

It is a super-2 number, since 2×140211398² = 39318472258228808, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140211398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35052848 + ... + 35052851.

It is an arithmetic number, because the mean of its divisors is an integer number (52579275).

Almost surely, 2^140211398 is an apocalyptic number.

140211398 is a deficient number, since it is larger than the sum of its proper divisors (70105702).

140211398 is an equidigital number, since it uses as much as digits as its factorization.

140211398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70105701.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 140211398 is about 11841.0893924503. The cubic root of 140211398 is about 519.5106318127.

The spelling of 140211398 in words is "one hundred forty million, two hundred eleven thousand, three hundred ninety-eight".