140421376 has 18 divisors (see below), whose sum is σ = 280294742. Its totient is φ = 70210560.

The previous prime is 140421367. The next prime is 140421397. The reversal of 140421376 is 673124041.

It can be written as a sum of positive squares in only one way, i.e., 106502400 + 33918976 = 10320^2 + 5824^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274005 + ... + 274516.

Almost surely, 2^140421376 is an apocalyptic number.

140421376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140421376 is a deficient number, since it is larger than the sum of its proper divisors (139873366).

140421376 is an frugal number, since it uses more digits than its factorization.

140421376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548537 (or 548523 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 140421376 is about 11849.9525737448. The cubic root of 140421376 is about 519.7698389702.

The spelling of 140421376 in words is "one hundred forty million, four hundred twenty-one thousand, three hundred seventy-six".