140872037 has 2 divisors, whose sum is σ = 140872038. Its totient is φ = 140872036.

The previous prime is 140872009. The next prime is 140872049. The reversal of 140872037 is 730278041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78872161 + 61999876 = 8881^2 + 7874^2 .

It is an emirp because it is prime and its reverse (730278041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140872037 - 2¹² = 140867941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140871994 and 140872012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140875037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70436018 + 70436019.

It is an arithmetic number, because the mean of its divisors is an integer number (70436019).

Almost surely, 2^140872037 is an apocalyptic number.

It is an amenable number.

140872037 is a deficient number, since it is larger than the sum of its proper divisors (1).

140872037 is an equidigital number, since it uses as much as digits as its factorization.

140872037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 140872037 is about 11868.9526496654. The cubic root of 140872037 is about 520.3252858735.

The spelling of 140872037 in words is "one hundred forty million, eight hundred seventy-two thousand, thirty-seven".