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1400131037 is a prime number
BaseRepresentation
bin101001101110100…
…0100110111011101
310121120121000201002
41103131010313131
510331413143122
6350533400045
746460626454
oct12335046735
93546530632
101400131037
11659379198
12330a99025
131940c6306
14d3d47b9b
1582dbd992
hex53744ddd

1400131037 has 2 divisors, whose sum is σ = 1400131038. Its totient is φ = 1400131036.

The previous prime is 1400131009. The next prime is 1400131063. The reversal of 1400131037 is 7301310041.

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., 1398311236 + 1819801 = 37394^2 + 1349^2 .

It is an emirp because it is prime and its reverse (7301310041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400131037 - 26 = 1400130973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400131937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700065518 + 700065519.

It is an arithmetic number, because the mean of its divisors is an integer number (700065519).

Almost surely, 21400131037 is an apocalyptic number.

It is an amenable number.

1400131037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400131037 is an equidigital number, since it uses as much as digits as its factorization.

1400131037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1400131037 is about 37418.3248823354. The cubic root of 1400131037 is about 1118.7238432885.

Adding to 1400131037 its reverse (7301310041), we get a palindrome (8701441078).

The spelling of 1400131037 in words is "one billion, four hundred million, one hundred thirty-one thousand, thirty-seven".