401340153 has 4 divisors (see below), whose sum is σ = 535120208. Its totient is φ = 267560100.

The previous prime is 401340151. The next prime is 401340161. The reversal of 401340153 is 351043104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 401340153 - 2¹ = 401340151 is a prime.

It is a super-2 number, since 2×401340153² = 322147836820126818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401340151) 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, 66890023 + ... + 66890028.

It is an arithmetic number, because the mean of its divisors is an integer number (133780052).

Almost surely, 2^401340153 is an apocalyptic number.

It is an amenable number.

401340153 is a deficient number, since it is larger than the sum of its proper divisors (133780055).

401340153 is a wasteful number, since it uses less digits than its factorization.

401340153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133780054.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 401340153 is about 20033.4758092549. The cubic root of 401340153 is about 737.6282434459.

Adding to 401340153 its reverse (351043104), we get a palindrome (752383257).

The spelling of 401340153 in words is "four hundred one million, three hundred forty thousand, one hundred fifty-three".