140215421203451 has 8 divisors (see below), whose sum is σ = 152962897681008. Its totient is φ = 127468048060000.

The previous prime is 140215421203439. The next prime is 140215421203513. The reversal of 140215421203451 is 154302124512041.

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

It is a cyclic number.

It is not a de Polignac number, because 140215421203451 - 2⁶ = 140215421203387 is a prime.

It is a super-2 number, since 2×140215421203451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140215421203421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22982660 + ... + 28436481.

It is an arithmetic number, because the mean of its divisors is an integer number (19120362210126).

Almost surely, 2^{140215421203451} is an apocalyptic number.

140215421203451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140215421203451 is a deficient number, since it is larger than the sum of its proper divisors (12747476477557).

140215421203451 is a wasteful number, since it uses less digits than its factorization.

140215421203451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51667053.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 140215421203451 its reverse (154302124512041), we get a palindrome (294517545715492).

The spelling of 140215421203451 in words is "one hundred forty trillion, two hundred fifteen billion, four hundred twenty-one million, two hundred three thousand, four hundred fifty-one".